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Document And Entity Information - USD ($)	9 Months Ended
Document And Entity Information - USD ($)	Sep. 30, 2013	Oct. 31, 2013	Jun. 30, 2013
Document and Entity Information [Abstract]
Entity Registrant Name	Transact Technologies Incorporated
Document Type	10-Q
Current Fiscal Year End Date	--12-31
Entity Common Stock, Shares Outstanding		8,244,580
Entity Public Float			$ 67,800,000
Amendment Flag	false
Entity Central Index Key	0001017303
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Filer Category	Accelerated Filer
Entity Well-known Seasoned Issuer	No
Document Period End Date	Sep. 30, 2013
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	Q3

CONDENSED CONSOLIDATED BALANCE SHEETS (unaudited) - USD ($) $ in Thousands	Sep. 30, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 2,755	$ 7,537
Accounts receivable, net	15,561	15,927
Inventories	12,896	10,321
Deferred tax assets	1,443	1,443
Other current assets	534	471
Total current assets	33,189	35,699
Fixed assets, net	2,946	3,302
Goodwill	2,621	2,621
Deferred tax assets	1,104	1,172
Intangible assets, net of accumulated amortization of $1,683 and $1,298, respectively	1,984	2,328
Other assets	67	106
	8,722	9,529
Total assets	41,911	45,228
Current liabilities:
Accounts payable	5,847	6,422
Accrued liabilities	3,120	2,927
Income taxes payable	26	629
Accrued contingent consideration (Note 4)	230	136
Deferred revenue	155	93
Total current liabilities	9,378	10,207
Deferred revenue, net of current portion	170	168
Deferred rent, net of current portion	261	308
Accrued contingent consideration, net of current portion (Note 4)	530	824
Other liabilities	163	352
	1,124	1,652
Total liabilities	10,502	11,859
Shareholders’ equity:
Common stock, $0.01 par value, 20,000,000 shares authorized; 11,031,618 and 10,903,077 shares issued, respectively; 8,244,580 and 8,720,200 shares outstanding, respectively	110	109
Additional paid-in capital	27,096	25,940
Retained earnings	26,796	24,708
Accumulated other comprehensive loss, net of tax	(66)	(55)
Treasury stock, at cost, 2,787,038 and 2,182,877 shares, respectively	(22,527)	(17,333)
Total shareholders’ equity	31,409	33,369
Total liabilities and shareholders’ equity	$ 41,911	$ 45,228

CONDENSED CONSOLIDATED BALANCE SHEETS (unaudited) (Parentheticals) - $ / shares	Sep. 30, 2013	Dec. 31, 2012
Common stock par value (in Dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	20,000,000	20,000,000
Common stock, shares issued	11,031,618	10,903,077
Common stock, shares outstanding	8,244,580	8,720,200

CONDENSED CONSOLIDATED STATEMENTS OF INCOME (unaudited) - USD ($) shares in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Net sales	$ 16,768,000	$ 15,358,000	$ 47,613,000	$ 48,770,000
Cost of sales	9,562,000	9,679,000	27,522,000	30,471,000
Gross profit	7,206,000	5,679,000	20,091,000	18,299,000
Operating expenses:
Engineering, design and product development	1,041,000	1,087,000	3,048,000	3,252,000
Selling and marketing	2,059,000	1,571,000	5,702,000	4,846,000
General and administrative	2,049,000	1,919,000	5,819,000	5,822,000
Legal fees associated with lawsuit (Note 9)	142,000	1,036,000	398,000	1,507,000
Business consolidation and restructuring (Note 8)		23,000		140,000
	5,291,000	5,636,000	14,967,000	15,567,000
Operating income	1,915,000	43,000	5,124,000	2,732,000
Interest and other income (expense):
Interest, net	(8,000)	3,000	(9,000)	7,000
Other, net	(22,000)	(10,000)	11,000	(21,000)
	(30,000)	(7,000)	2,000	(14,000)
Income before income taxes	1,885,000	36,000	5,126,000	2,718,000
Income tax provision	434,000	13,000	1,300,000	979,000
Net income	$ 1,451,000	$ 23,000	$ 3,826,000	$ 1,739,000
Net income per common share:
Basic (in Dollars per share)	$ 0.17	$ 0.00	$ 0.44	$ 0.19
Diluted (in Dollars per share)	$ 0.17	$ 0.00	$ 0.44	$ 0.19
Shares used in per-share calculation:
Basic (in Shares)	8,582	8,822	8,675	9,110
Diluted (in Shares)	8,695	8,911	8,759	9,205
Dividends declared and paid per common share: (in Dollars per share)	$ 0.07		$ 0.20

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Net income	$ 1,451	$ 23	$ 3,826	$ 1,739
Foreign currency translation adjustment, net of tax	16	13	(11)	16
Comprehensive income	$ 1,467	$ 36	$ 3,815	$ 1,755

- Definition

The change in equity [net assets] of a business enterprise during a period from transactions and other events and circumstances from non-owner sources which are attributable to the reporting entity. It includes all changes in equity during a period except those resulting from investments by owners and distributions to owners, but excludes any and all transactions which are directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent.

+ References + Details

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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+ Details

- Definition

Amount of tax effect, net of reclassification adjustments, on the result from the process of expressing in the reporting currency of the reporting entity those amounts that are denominated or measured in a different currency.

+ References

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+ Details

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) - USD ($)	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Cash flows from operating activities:
Net income	$ 3,826,000	$ 1,739,000
Adjustments to reconcile net income to net cash provided by operating activities:
Share-based compensation expense	397,000	402,000
Incremental tax benefits from stock options exercised	(113,000)	(42,000)
Depreciation and amortization	1,314,000	1,314,000
Gain on sale of fixed assets	(5,000)	(12,000)
Foreign currency transaction (gains) losses	(6,000)	31,000
Changes in operating assets and liabilities:
Accounts receivable	358,000	(228,000)
Inventories	(2,576,000)	3,397,000
Prepaid income taxes	59,000	17,000
Other current and long term assets	(3,000)	(433,000)
Accounts payable	(575,000)	909,000
Accrued liabilities and other liabilities	(638,000)	690,000
Net cash provided by operating activities	2,038,000	7,784,000
Cash flows from investing activities:
Capital expenditures	(562,000)	(675,000)
Additions to capitalized software	(42,000)	(23,000)
Proceeds from sale of assets	5,000	14,000
Net cash used in investing activities	(599,000)	(684,000)
Cash flows from financing activities:
Proceeds from stock option exercises	609,000	145,000
Payment of dividends on common stock	(1,738,000)
Purchases of common stock for treasury	(5,194,000)	(5,563,000)
Incremental tax benefits from stock options exercised	113,000	42,000
Net cash used in financing activities	(6,210,000)	(5,376,000)
Effect of exchange rate changes on cash and cash equivalents	(11,000)	(10,000)
(Decrease) increase in cash and cash equivalents	(4,782,000)	1,714,000
Cash and cash equivalents, beginning of period	7,537,000	6,863,000
Cash and cash equivalents, end of period	$ 2,755,000	$ 8,577,000

1. Basis of presentation	9 Months Ended
1. Basis of presentation	Sep. 30, 2013
Business Description and Basis of Presentation [Abstract]
Business Description and Basis of Presentation [Text Block]	1. Basis of presentation The accompanying unaudited financial statements of TransAct Technologies Incorporated have been prepared in accordance with accounting principles generally accepted in the United States of America for interim financial information. Accordingly, they do not include all of the information and footnotes required by accounting principles generally accepted in the United States of America to be included in full year financial statements. In the opinion of management, all adjustments considered necessary for a fair statement of the results for the periods presented have been included and are of a normal recurring nature. The December 31, 2012 Condensed Consolidated Balance Sheet data was derived from audited financial statements, but does not include all disclosures required by accounting principles generally accepted in the United States of America. These interim financial statements should be read in conjunction with the audited financial statements for the year ended December 31, 2012 included in our Annual Report on Form 10-K. The financial position and results of operations of our U.K. foreign subsidiary are measured using local currency as the functional currency. Assets and liabilities of such subsidiary have been translated at the end of period exchange rates, and related revenues and expenses have been translated at the weighted average exchange rates with the resulting translation gain or loss recorded in accumulated other comprehensive income (loss) in the Condensed Consolidated Balance Sheets. Transaction gains and losses are included in other income in the Condensed Consolidated Statements of Income. The results of operations for the three and nine months ended September 30, 2013 are not necessarily indicative of the results to be expected for the full year.

2. Inventories

9 Months Ended

Sep. 30, 2013

Inventory Disclosure [Abstract]

Inventory Disclosure [Text Block]

2. Inventories

The components of inventories are:

	September 30,		December 31,
	2013		2012
	(In thousands)

Raw materials and purchased component parts	$	7,930	$	6,871
Work-in-process		69		-
Finished goods		4,897		3,450
	$	12,896	$	10,321

3. Accrued product warranty liability

9 Months Ended

Sep. 30, 2013

Product Warranties Disclosures [Abstract]

Product Warranty Disclosure [Text Block]

3. Accrued product warranty liability

We generally warrant our products for up to 36 months and record the estimated cost of such product warranties at the time the sale is recorded. Estimated warranty costs are based upon actual past experience of product repairs and the related estimated cost of labor and material to make the necessary repairs.

The following table summarizes the activity recorded in the accrued product warranty liability during the nine months ended September 30, 2013:

	(In thousands)
Balance, beginning of period	$	274
Warranties issued		408
Warranty settlements		(292)
Balance, end of period	$	390

Approximately $90,000 of the accrued product warranty liability is classified as long-term in Other liabilities at September 30, 2013 in the Condensed Consolidated Balance Sheets.

4. Accrued contingent consideration	9 Months Ended
4. Accrued contingent consideration	Sep. 30, 2013
Business Combinations [Abstract]
Business Combination Disclosure [Text Block]	4. Accrued contingent consideration In connection with the acquisition of substantially all of the assets of Printrex, Inc. (“Printrex”) on August 19, 2011, we entered into a contingent consideration arrangement for 30% of the gross profit for a three-year period related to certain new products under development, less certain other adjustments, beginning on the earlier of 1) January 1, 2012 or 2) the date of first commercial introduction of the new products under development. The undiscounted fair value related to the contingent liability could range from approximately $400,000 to $1,500,000. The fair value of the contingent consideration arrangement was $760,000 and $960,000 at September 30, 2013 and December 31, 2012, respectively, which was estimated by applying the income approach. That measure is based on significant inputs that are not observable in the market, which fair value measurement guidance refers to as Level 3 inputs. During the first nine months of 2013, the fair value of the contingent consideration decreased by $200,000 and this is reflected as a reduction in general and administrative expenses on the Condensed Consolidated Statements of Income. No payments were made under the arrangement during the nine months ended September 30, 2013 as the underlying conditions of the contingent consideration arrangement were not satisfied. Refer to Note 3, Business acquisitions, to the Company’s Consolidated Financial Statements included in the Company’s 2012 Annual Report on Form 10-K for the year ended December 31, 2012 for additional information regarding this contingent consideration arrangement.

- Definition

The entire disclosure for a business combination (or series of individually immaterial business combinations) completed during the period, including background, timing, and recognized assets and liabilities. The disclosure may include leverage buyout transactions (as applicable).

+ References

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+ Details

5. Earnings per share

9 Months Ended

Sep. 30, 2013

Earnings Per Share [Abstract]

Earnings Per Share [Text Block]

5. Earnings per share

The following table sets forth the reconciliation of basic weighted average shares outstanding and diluted weighted average shares outstanding:

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2013		2012		2013		2012
	(In thousands, except per share data)

Net income	$	1,451	$	23	$	3,826	$	1,739

Shares:
Basic: Weighted average common shares outstanding		8,582		8,822		8,675		9,110
Add: Dilutive effect of outstanding options as determined by the treasury stock method		113		89		84		95
Diluted: Weighted average common and common equivalent shares outstanding		8,695		8,911		8,759		9,205

Net income per common share:
Basic	$	0.17	$	0.00	$	0.44	$	0.19
Diluted	$	0.17	$	0.00	$	0.44	$	0.19

For the three months ended September 30, 2013 and 2012, there were 316,000 and 585,125, respectively, potentially dilutive shares consisting of stock options that were excluded from the calculation of earnings per diluted share. For the nine months ended September 30, 2013 and 2012, there were 405,000 and 585,125, respectively, potentially dilutive shares consisting of stock options that were excluded from the calculation of earnings per diluted share.

6. Shareholders' equity

9 Months Ended

Sep. 30, 2013

Stockholders' Equity Note [Abstract]

Stockholders' Equity Note Disclosure [Text Block]

6. Shareholders’ equity

Changes in shareholders’ equity for the nine months ended September 30, 2013 were as follows (in thousands):

Balance at December 31, 2012	$	33,369
Net income		3,826
Proceeds from issuance of shares from exercise of stock options		609
Share-based compensation expense		397
Incremental tax benefits from stock options exercised		113
Issuance of deferred stock units, net of relinquishments		111
Foreign currency translation adjustment		(11)
Reversal of deferred tax asset in connection with stock options forfeited		(73)
Dividends declared and paid on common stock		(1,738)
Purchases of common stock for treasury		(5,194)
Balance at September 30, 2013	$	31,409

We paid a portion of the 2012 incentive bonus for the chief executive officer and chief financial officer in the form of deferred stock units. Such deferred stock units were granted in March 2013 and were fully vested at the time of grant.

For the three months ended September 30, 2013, our Board of Directors declared a quarterly cash dividend of $0.07 per share, totaling approximately $611,000, which was paid in September 2013 to common shareholders of record at the close of business on August 20, 2013. For the nine months ended September 30, 2013, dividends declared and paid totaled $1,738,000, or $0.20 per share.

- Definition

The entire disclosure for shareholders' equity, comprised of portions attributable to the parent entity and noncontrolling interest, if any, including other comprehensive income (as applicable). Including, but not limited to: (1) balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings; (2) accumulated balance for each classification of other comprehensive income and total amount of comprehensive income; (3) amount and nature of changes in separate accounts, including the number of shares authorized and outstanding, number of shares issued upon exercise and conversion, and for other comprehensive income, the adjustments for reclassifications to net income; (4) rights and privileges of each class of stock authorized; (5) basis of treasury stock, if other than cost, and amounts paid and accounting treatment for treasury stock purchased significantly in excess of market; (6) dividends paid or payable per share and in the aggregate for each class of stock for each period presented; (7) dividend restrictions and accumulated preferred dividends in arrears (in aggregate and per share amount); (8) retained earnings appropriations or restrictions, such as dividend restrictions; (9) impact of change in accounting principle, initial adoption of new accounting principle and correction of an error in previously issued financial statements; (10) shares held in trust for Employee Stock Ownership Plan (ESOP); (11) deferred compensation related to issuance of capital stock; (12) note received for issuance of stock; (13) unamortized discount on shares; (14) description, terms, and number of warrants or rights outstanding; (15) shares under subscription and subscription receivables, effective date of new retained earnings after quasi-reorganization and deficit eliminated by quasi-reorganization and, for a period of at least ten years after the effective date, the point in time from which the new retained dates; and (16) retroactive effective of subsequent change in capital structure.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(d),(e))
-URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21484-112644

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SAB TOPIC 4.E)
-URI http://asc.fasb.org/extlink&oid=6228006&loc=d3e74512-122707

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-Name Accounting Standards Codification
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.29-31)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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-Publisher FASB
-Name Accounting Standards Codification
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-Paragraph 4
-Subparagraph (SAB TOPIC 4.C)
-URI http://asc.fasb.org/extlink&oid=6959260&loc=d3e187143-122770

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-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21506-112644

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
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-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=6959260&loc=d3e187085-122770

Reference 9: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23285-112656

Reference 10: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644

Reference 11: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Preferred Stock
-URI http://asc.fasb.org/extlink&oid=6521494

Reference 12: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 13: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21564-112644

Reference 14: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Research Bulletin (ARB)
-Number 43
-Section B
-Paragraph 7, 11A
-Chapter 1
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 15: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Principles Board Opinion (APB)
-Number 12
-Paragraph 10
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 16: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 5
-Paragraph 15
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 17: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 08
-Paragraph d
-Article 4

Reference 18: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 29, 30, 31
-Article 5

Reference 19: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 4
-Section E

Reference 20: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 08
-Article 4

Reference 21: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 4
-Section C

Reference 22: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 129
-Paragraph 2, 3, 4, 5, 6, 7, 8
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 23: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 04
-Article 3

+ Details

7. Income taxes	9 Months Ended
7. Income taxes	Sep. 30, 2013
Income Tax Disclosure [Abstract]
Income Tax Disclosure [Text Block]	7. Income taxes We recorded an income tax provision for the third quarter of 2013 of $434,000 at an effective tax rate of 23.0%, compared to an income tax provision during the third quarter of 2012 of $13,000 at an effective tax rate of 36.1%. For the nine months ended September 30, 2013, we recorded an income tax provision of $1,300,000 at an effective tax rate of 25.4%, compared to an income tax provision during the nine months ended September 30, 2012 of $979,000 at an effective tax rate of 36.0%. Our effective tax rate for the third quarter of 2013 is unusually low due to a $224,000 reduction in tax liabilities for unrecognized tax benefits resulting from the completion of an audit of our 2010 federal income tax return. Our effective tax rate for the first nine months of 2013 is unusually low because it includes: 1) the previously discussed reduction in tax liabilities for unrecognized tax benefits recorded in the third quarter of 2013 and 2) the benefit from the 2012 federal research and development credit (“R&D credit”) of approximately $220,000 as this credit was not renewed until January 2, 2013 as a component of the American Taxpayer Relief Act of 2012. We are subject to U.S. federal income tax as well as income tax of certain state and foreign jurisdictions. We have substantially concluded all U.S. federal income tax, state and local, and foreign tax matters through 2009. During 2008, a limited scope examination of our 2005 and 2006 federal tax returns was completed and during 2013, an examination of our 2010 federal tax return was completed. However, our federal tax returns for the years 2010 through 2012 remain open to examination. Various state and foreign tax jurisdiction tax years remain open to examination as well, though we believe that any additional assessment would be immaterial to the Condensed Consolidated Financial Statements. No state or foreign tax jurisdiction income tax returns are currently under examination. As of September 30, 2013, we had $73,000 of total gross unrecognized tax benefits that, if recognized, would favorably affect the effective income tax rate in any future periods.

- Definition

The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.

+ References

+ Details

8. Business consolidation and restructuring expenses	9 Months Ended
8. Business consolidation and restructuring expenses	Sep. 30, 2013
Restructuring and Related Activities [Abstract]
Restructuring and Related Activities Disclosure [Text Block]	8. Business consolidation and restructuring expenses As discussed in Note 8, Accrued business consolidation and restructuring expenses, of the Company’s 2012 Annual Report on Form 10-K for the year ended December 31, 2012, in January 2012, we determined that we no longer needed to maintain the existing Printrex manufacturing facility in San Jose, California, along with certain redundant headcount. As a result, we incurred expenses of $23,000 and $140,000, respectively, in the three and nine months ended September 30, 2012 for employee termination benefits related to these employee reductions as well as moving costs related to the closing of the San Jose manufacturing operations. This restructuring charge was recorded in accordance with ASC 420-10-25-4 “Exit or Disposal Cost Obligations” and cash payments made under this restructuring plan were completed by October 2012.

- Definition

The entire disclosure for restructuring and related activities. Description of restructuring activities such as exit and disposal activities, include facts and circumstances leading to the plan, the expected plan completion date, the major types of costs associated with the plan activities, total expected costs, the accrual balance at the end of the period, and the periods over which the remaining accrual will be settled.

+ References + Details

9. Commitments and contingencies	9 Months Ended
9. Commitments and contingencies	Sep. 30, 2013
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies Disclosure [Text Block]	9. Commitments and contingencies On June 8, 2012, Avery Dennison Corporation (“AD”) filed a civil complaint against the Company and a former employee of the Company and of AD, in the Court of Common Pleas (the “Court”) in Lake County, Ohio. The complaint alleges that this former employee and the Company misappropriated unspecified trade secrets and confidential information related to the design of our food safety terminals from AD. The complaint requests a preliminary and permanent injunction against the Company from manufacturing and selling our Ithaca® 9700 and 9800 food safety terminals. On July 16, 2012, the Company filed its answer, affirmative defenses and counterclaims, seeking all available damages including legal fees. A hearing on the plaintiff's motion for preliminary injunction took place in August 2012, and in November 2012, the Court denied this request. AD filed an appeal of the Court’s ruling to the Eleventh Appellate District, which heard oral arguments on the appeal on July 16, 2013. On July 23, 2013, AD requested that the Eleventh Appellate District enjoin the Company’s further sale and marketing of the food safety terminals, pending the appeals court's decision. On July 29, 2013, TransAct opposed this request. On October 15, 2013, the Eleventh District Court of Appeals affirmed the lower court’s decision in the Company’s favor and denied AD’s further request for an injunction pending the Court of Appeal’s decision. On October 24, 2013, AD filed a motion seeking that the Court of Appeals reconsider its decision. On June 8, 2012, Avery Dennison Corporation (“AD”) filed a civil complaint against the Company and a former employee of the Company and of AD, in the Court of Common Pleas (the “Court”) in Lake County, Ohio. The complaint alleges that this former employee and the Company misappropriated unspecified trade secrets and confidential information related to the design of our food safety terminals from AD. The complaint requests a preliminary and permanent injunction against the Company from manufacturing and selling our Ithaca® 9700 and 9800 food safety terminals. On July 16, 2012, the Company filed its answer, affirmative defenses and counterclaims, seeking all available damages including legal fees. A hearing on the plaintiff's motion for preliminary injunction took place in August 2012, and in November 2012, the Court denied this request. AD filed an appeal of the Court’s ruling to the Eleventh Appellate District, which heard oral arguments on the appeal on July 16, 2013. On July 23, 2013, AD requested that the Eleventh Appellate District enjoin the Company’s further sale and marketing of the food safety terminals, pending the appeals court's decision. On July 29, 2013, TransAct opposed this request. On October 15, 2013, the Eleventh District Court of Appeals affirmed the lower court’s decision in the Company’s favor and denied AD’s further request for an injunction pending the Court of Appeal’s decision. On October 24, 2013, AD filed a motion seeking that the Court of Appeals reconsider its decision.

- Definition

The entire disclosure for commitments and contingencies.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 20
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Reference 4: http://www.xbrl.org/2003/role/presentationRef
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-URI http://asc.fasb.org/extlink&oid=6394976&loc=d3e25287-109308

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Interpretation (FIN)
-Number 14
-Paragraph 3
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 5
-Paragraph 9, 10, 11, 12
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

2. Inventories (Tables)

9 Months Ended

Sep. 30, 2013

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

	September 30,		December 31,
	2013		2012
	(In thousands)

Raw materials and purchased component parts	$	7,930	$	6,871
Work-in-process		69		-
Finished goods		4,897		3,450
	$	12,896	$	10,321

3. Accrued product warranty liability (Tables)

9 Months Ended

Sep. 30, 2013

Product Warranties Disclosures [Abstract]

Schedule of Product Warranty Liability [Table Text Block]

	(In thousands)
Balance, beginning of period	$	274
Warranties issued		408
Warranty settlements		(292)
Balance, end of period	$	390

5. Earnings per share (Tables)

9 Months Ended

Sep. 30, 2013

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2013		2012		2013		2012
	(In thousands, except per share data)

Net income	$	1,451	$	23	$	3,826	$	1,739

Shares:
Basic: Weighted average common shares outstanding		8,582		8,822		8,675		9,110
Add: Dilutive effect of outstanding options as determined by the treasury stock method		113		89		84		95
Diluted: Weighted average common and common equivalent shares outstanding		8,695		8,911		8,759		9,205

Net income per common share:
Basic	$	0.17	$	0.00	$	0.44	$	0.19
Diluted	$	0.17	$	0.00	$	0.44	$	0.19

6. Shareholders' equity (Tables)

9 Months Ended

Sep. 30, 2013

Stockholders' Equity Note [Abstract]

Schedule of Stockholders Equity [Table Text Block]

Balance at December 31, 2012	$	33,369
Net income		3,826
Proceeds from issuance of shares from exercise of stock options		609
Share-based compensation expense		397
Incremental tax benefits from stock options exercised		113
Issuance of deferred stock units, net of relinquishments		111
Foreign currency translation adjustment		(11)
Reversal of deferred tax asset in connection with stock options forfeited		(73)
Dividends declared and paid on common stock		(1,738)
Purchases of common stock for treasury		(5,194)
Balance at September 30, 2013	$	31,409

2. Inventories (Details) - Inventory components - USD ($) $ in Thousands	Sep. 30, 2013	Dec. 31, 2012
Inventory components [Abstract]
Raw materials and purchased component parts	$ 7,930	$ 6,871
Work-in-process	69
Finished goods	4,897	3,450
	$ 12,896	$ 10,321

3. Accrued product warranty liability (Details)	Sep. 30, 2013 USD ($)
Product Warranties Disclosures [Abstract]
Product Warranty Accrual, Noncurrent	$ 90,000

3. Accrued product warranty liability (Details) - Warranty Activity $ in Thousands	9 Months Ended
	Sep. 30, 2013 USD ($)
Warranty Activity [Abstract]
Balance, beginning of period	$ 274
Warranties issued	408
Warranty settlements	(292)
Balance, end of period	$ 390

4. Accrued contingent consideration (Details) - USD ($)	3 Months Ended	9 Months Ended
4. Accrued contingent consideration (Details) - USD ($)	Sep. 30, 2013	Sep. 30, 2013	Dec. 31, 2012
Business Combinations [Abstract]
Business Combination, Contingent Consideration Arrangements, Description		30%
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, Low	$ 400,000	$ 400,000
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High	1,500,000	1,500,000
Business Acquisition, Contingent Consideration, at Fair Value	760,000	760,000	$ 960,000
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Asset	$ 9	$ 200,000

- Definition

Fair value, as of the acquisition date, of potential payments under the contingent consideration arrangement including cash and shares.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 35
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=6910684&loc=d3e4570-128470

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-Name Statement of Financial Accounting Standard (FAS)
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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 12: http://www.xbrl.org/2003/role/presentationRef
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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 13: http://www.xbrl.org/2003/role/presentationRef
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-Name Statement of Financial Accounting Standard (FAS)
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Reference 14: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

5. Earnings per share (Details) - USD ($)	3 Months Ended		9 Months Ended
5. Earnings per share (Details) - USD ($)	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Earnings Per Share [Abstract]
Dilutive Securities, Effect on Basic Earnings Per Share, Including Options and Restrictive Stock Units	$ 316,000	$ 585,125	$ 405,000	$ 585,125

5. Earnings per share (Details) - Earnings Per Share Reconciliation - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Earnings Per Share Reconciliation [Abstract]
Net income (in Dollars)	$ 1,451	$ 23	$ 3,826	$ 1,739
Shares:
Basic: Weighted average common shares outstanding	8,582	8,822	8,675	9,110
Add: Dilutive effect of outstanding options as determined by the treasury stock method	113	89	84	95
Diluted: Weighted average common and common equivalent shares outstanding	8,695	8,911	8,759	9,205
Net income per common share:
Basic (in Dollars per share)	$ 0.17	$ 0.00	$ 0.44	$ 0.19
Diluted (in Dollars per share)	$ 0.17	$ 0.00	$ 0.44	$ 0.19

- Definition

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.21)
-URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section 50
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-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

Reference 3: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=16381557&loc=d3e4984-109258

Reference 4: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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Reference 5: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-Section S99
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913

Reference 6: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 04
-Paragraph 18
-Article 7

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 128
-Paragraph 36, 37, 38
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 9: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Emerging Issues Task Force (EITF)
-Number 07-4
-Paragraph 4
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 10: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 20
-Article 5

Reference 11: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 04
-Paragraph 21
-Article 9

+ Details

- Definition

The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

+ References + Details

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References

+ Details

- Definition

The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

+ References + Details

- Definition

Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Weighted-Average Number of Common Shares Outstanding
-URI http://asc.fasb.org/extlink&oid=6528421

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Emerging Issues Task Force (EITF)
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Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
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-Paragraph 8
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 128
-Paragraph 171
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 128
-Paragraph 40
-Subparagraph a
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

6. Shareholders' equity (Details) - USD ($)	3 Months Ended	9 Months Ended
6. Shareholders' equity (Details) - USD ($)	Sep. 30, 2013	Sep. 30, 2013
Stockholders' Equity Note [Abstract]
Common Stock, Dividends, Per Share, Declared	$ 0.07	$ 0.20
Payments of Ordinary Dividends, Common Stock (in Dollars)	$ 611,000	$ 1,738,000
Common Stock, Dividends, Per Share, Cash Paid		$ 0.20

6. Shareholders' equity (Details) - Changes in Shareholders' Equity - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Changes in Shareholders' Equity [Abstract]
Balance at December 31, 2012			$ 33,369
Balance at September 30, 2013	$ 31,409		31,409
Net income	$ 1,451	$ 23	3,826	$ 1,739
Proceeds from issuance of shares from exercise of stock options			609	145
Share-based compensation expense			397	402
Incremental tax benefits from stock options exercised			113
Issuance of deferred stock units, net of relinquishments			111
Foreign currency translation adjustment			(11)
Reversal of deferred tax asset in connection with stock options forfeited			(73)
Dividends declared and paid on common stock			(1,738)
Purchases of common stock for treasury			$ (5,194)	$ (5,563)

7. Income taxes (Details) - USD ($)	3 Months Ended		9 Months Ended		12 Months Ended
7. Income taxes (Details) - USD ($)	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012	Dec. 31, 2010
Income Tax Disclosure [Abstract]
Income Tax Reconciliation, Change in Enacted Tax Rate			$ 7
Income Tax Expense (Benefit)	$ 434,000	$ 13,000	$ 1,300,000	$ 979,000
Effective Income Tax Rate, Continuing Operations	23.00%	36.10%	25.40%	36.00%
Unrecognized Tax Benefits, Decreases Resulting from Prior Period Tax Positions						$ 224,000
Income Tax Reconciliation, Tax Credits, Research					$ 220,000	$ (9)
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	$ 73,000		$ 73,000

8. Business consolidation and restructuring expenses (Details) - USD ($)	3 Months Ended	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2012
Restructuring and Related Activities [Abstract]
Restructuring and Related Cost, Incurred Cost	$ 23,000	$ (12)