CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (USD $) In Thousands, except Share data, unless otherwise specified	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Loss	Treasury Stock	Total
Balance at Dec. 31, 2009	$ 189	$ 67,559	$ (29,615)	$ (990)		$ 37,143
Balance (in shares) at Dec. 31, 2009	18,930,368
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense		807				807
Common stock issued for options exercised	2	95				97
Common stock issued for options exercised (in shares)	57,000
Common stock issued for warrants exercised		79				79
Common stock issued for warrants exercised (in shares)	45,198
Common stock issued for services provided		76				76
Common stock issued for services provided (in shares)	16,672
Common stock issued for TAS acquisition	1	682				683
Common stock issued for TAS acquisition (in shares)	122,617					122,617
Foreign currency translation adjustment				270		270
Net income (loss)			(2,249)			(2,249)
Balance at Dec. 31, 2010	192	69,298	(31,864)	(720)		36,906
Balance (in shares) at Dec. 31, 2010	19,171,855
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense		727				727
Common stock issued for options exercised	1	132				133
Common stock issued for options exercised (in shares)	77,176
Common stock issued for warrants exercised		10				10
Common stock issued for warrants exercised (in shares)	5,650
Foreign currency translation adjustment				(145)		(145)
Treasury stock at cost					(1,649)	(1,649)
Treasury stock at cost (in shares)					(824,374)
Net income (loss)			2,801			2,801
Balance at Dec. 31, 2011	193	70,167	(29,063)	(865)	(1,649)	38,783
Balance (in shares) at Dec. 31, 2011	19,254,681				(824,374)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense		914				914
Common stock issued for options exercised	1	271				272
Common stock issued for options exercised (in shares)	180,643
Foreign currency translation adjustment				218		218
Treasury stock at cost					(531)	(531)
Treasury stock at cost (in shares)					(280,113)
Net income (loss)			1,174			1,174
Balance at Dec. 31, 2012	$ 194	$ 71,352	$ (27,889)	$ (647)	$ (2,180)	$ 40,830
Balance (in shares) at Dec. 31, 2012	19,435,324				(1,104,487)