INCOME TAXES - Schedule of Provision for (Benefit from) Income Taxes Reconciliation to Amount Computed by Multiplying Income (Loss) Before Income Taxes by the U.S. Statutory Rate (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Tax Disclosure [Abstract]
Benefits at statutory rate	$ 3,577	$ (4,031)	$ (6,593)
Deferred tax asset valuation allowance	(3,182)	5,256	4,238
Foreign earnings taxed at U.S. rates	403	1,966	3,533
Foreign earnings taxed at different rates	(540)	(3,315)	417
State taxes, net of Federal benefit	18	34	2
Nondeductible stock option expense	244	322	365
Uncertain tax position reserve release	(188)	(579)	(511)
Foreign tax credits	0	0	(1,147)
Other	7	(195)	180
Provisions for (benefit from) income taxes	$ 339	$ (542)	$ 484