Consolidated Statements of Stockholders’ Equity - USD ($) $ in Thousands	Common Stock [Member]	Treasury Stock [Member]	Additional Paid-in Capital [Member]	AOCI Attributable to Parent [Member]	Retained Earnings [Member]	Total
Balances at Dec. 31, 2012	$ 3	$ (8,488)	$ 285,938	$ 3,183	$ (36,488)	$ 244,148
Balances (in Shares) at Dec. 31, 2012	34,341,000
Issuance of common stock for the exercise of options and warrants	$ 1		24,261			24,262
Issuance of common stock for the exercise of options and warrants (in Shares)	2,297,000
Issuance of common stock for services (in Shares)	290,000
Share-based compensation			17,187			17,187
Excess tax benefit on share-based compensation			6,610			6,610
Net loss					(10,216)	(10,216)
Other comprehensive loss:
Foreign currency translation adjustments				(9,120)		(9,120)
Balances at Dec. 31, 2013	$ 4	(8,488)	333,996	(5,937)	(46,704)	272,871
Balances (in Shares) at Dec. 31, 2013	36,928,000
Issuance of common stock for the exercise of options and warrants			42,437			42,437
Issuance of common stock for the exercise of options and warrants (in Shares)	3,008,000
Issuance of common stock for services (in Shares)	435,000
Share-based compensation			18,225			18,225
Excess tax benefit on share-based compensation			9,287			9,287
Net loss					10,494	10,494
Other comprehensive loss:
Foreign currency translation adjustments				(8,439)		(8,439)
Balances at Dec. 31, 2014	$ 4	(8,488)	403,945	(14,376)	(36,210)	344,875
Balances (in Shares) at Dec. 31, 2014	40,371,000
Issuance of common stock for the exercise of options and warrants			14,423			14,423
Issuance of common stock for the exercise of options and warrants (in Shares)	1,182,000
Issuance of common stock for services (in Shares)	525,000
Share-based compensation			25,450			25,450
Excess tax benefit on share-based compensation			2,591			2,591
Net loss					5,591	5,591
Other comprehensive loss:
Foreign currency translation adjustments				(11,627)		(11,627)
Stock repurchases under stock repurchase program		(21,268)				$ (21,268)
Stock repurchases under stock repurchase program (in Shares)	(800,000)					800,000
Balances at Dec. 31, 2015	$ 4	$ (29,756)	$ 446,409	$ (26,003)	$ (30,619)	$ 360,035
Balances (in Shares) at Dec. 31, 2015	41,278,000