Condensed Consolidated Statement of Changes in Stockholders' Equity (USD $) In Thousands, except Share data, unless otherwise specified	Total	Common Stock	Additional Paid-In Capital	Common Stock Warrants	Accumulated Deficit	Other Comprehensive Income (loss)
Balance at Dec. 31, 2012	$ 148,620	$ 4	$ 191,581	$ 10,610	$ (53,757)	$ 182
Balance (in shares) at Dec. 31, 2012		37,480,710
Increase (Decrease) in Stockholders' Equity
Net income	1,125				1,125
Foreign currency translation adjustment	(767)					(767)
Issuance of shares to certain employees	90		90
Issuance of shares to certain employees (in shares)		5,991
Issuance of shares from exercise of stock options	300		300
Issuance of shares from exercise of stock options (in shares)		100,671
Issuance of shares from exercise of stock warrants	6		6
Issuance of shares from exercise of stock warrants (in shares)		2,840
Issuance of shares from vesting of restricted stock units	0
Issuance of shares from vesting of restricted stock units (in shares)		37,957
Repurchase of common stock	(1,538)		(1,538)
Repurchase of common stock (in shares)		(120,000)
Stock-based compensation	3,009		3,009
Balance at Mar. 31, 2013	$ 150,845	$ 4	$ 193,448	$ 10,610	$ (52,632)	$ (585)
Balance (in shares) at Mar. 31, 2013		37,508,169