CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (USD $) In Thousands, except Share data	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Loss	Treasury Stock	Total
Balance at Dec. 31, 2008	$ 160	$ 50,572	$ (28,818)	$ (1,214)		$ 20,700
Balance (in shares) at Dec. 31, 2008	15,968,122
Stock-based compensation expense		906				906
Issuance of common stock	29	15,847				15,876
Issuance of common stock (in shares)	2,875,000
Common stock issued for options exercised		103				103
Common stock issued for options exercised (in shares)	58,350
Common stock issued for warrants exercised		18				18
Common stock issued for warrants exercised (in shares)	10,000
Common stock issued for services provided		113				113
Common stock issued for services provided (in shares)	18,896
Foreign currency translation adjustment				224		224
Net income (loss)			(797)			(797)
Balance at Dec. 31, 2009	189	67,559	(29,615)	(990)		37,143
Balance (in shares) at Dec. 31, 2009	18,930,368
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
Issuance of common stock to acquire TAS Holdings Ltd.	1	682				683
Issuance of common stock to acquire TAS Holdings Ltd. (in shares)	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
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)