Consolidated Statements Of Shareholders' Equity And Comprehensive Income (Loss) (USD $) In Thousands	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Deficit [Member]	Accumulated Other Comprehensive Loss [Member]	Comprehensive Income (Loss) [Member]	Treasury Stock [Member]	Total
Balance at Dec. 31, 2008	$ 5,858	$ 14,122	$ 1,916	$ (318)		$ (1,265)	$ 20,313
Balance, shares at Dec. 31, 2008	5,858
Shares issued for the purchase of Datrix	75	195					270
Shares issued for the purchase of Datrix, shares	75
Shares issued under the Employee Stock Purchase Plan	30	60					90
Shares issued under the Employee Stock Purchase Plan, shares	30
Shares issued in lieu of cash for services	3	7					10
Shares issued in lieu of cash for services, shares	3
Shares issued under the Non-employee Director and Exec. Officer Stock Purchase Program	20	42					62
Shares issued under the Non-employee Director and Exec. Officer Stock Purchase Program, shares	20
Stock option expense		561					561
Net income (loss)			(3,921)		(3,921)		(3,921)
Change in fair value of interest rate swap, net of income taxes				102	102		102
Translation gain (loss), net of income taxes				2	2		2
Comprehensive income (loss)					(3,817)
Balance at Dec. 31, 2009	5,986	14,987	(2,005)	(214)		(1,265)	17,489
Balance, shares at Dec. 31, 2009	5,986
Exercise of stock options	69	126					195
Exercise of stock options, shares	69
Shares issued under the Employee Stock Purchase Plan	15	50					65
Shares issued under the Employee Stock Purchase Plan, shares	15
Shares issued in lieu of cash for services	3	7					10
Shares issued in lieu of cash for services, shares	3
Stock option expense		474					474
Net income (loss)			361		361		361
Change in fair value of interest rate swap, net of income taxes				35	35		35
Translation gain (loss), net of income taxes				(58)	(58)		(58)
Comprehensive income (loss)					338
Balance at Dec. 31, 2010	6,073	15,644	(1,644)	(237)		(1,265)	18,571
Balance, shares at Dec. 31, 2010	6,073
Exercise of stock options	69	91					160
Exercise of stock options, shares	69
Shares issued under the Employee Stock Purchase Plan	17	53					70
Shares issued under the Employee Stock Purchase Plan, shares	17
Shares issued in lieu of cash for services	3	6					9
Shares issued in lieu of cash for services, shares	3
Stock option expense		214					214
Retirement of Treasury Shares	(516)	(749)				1,265
Retirement of Treasury Shares, shares	(516)
Net income (loss)			(1,425)		(1,425)		(1,425)
Change in fair value of interest rate swap, net of income taxes				(93)	(93)		(93)
Translation gain (loss), net of income taxes				(60)	(60)		(60)
Comprehensive income (loss)					(1,578)
Balance at Dec. 31, 2011	$ 5,646	$ 15,259	$ (3,069)	$ (390)			$ 17,446
Balance, shares at Dec. 31, 2011	5,646