INCOME TAXES (Details 2) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Tax Disclosure [Abstract]
United States federal tax statutory rate	$ (3,358)	$ (3,976)	$ (1,201)
State taxes, net of federal benefit	(291)	(51)	3
Valuation allowances against deferred tax assets	2,889	7,890	90
Research and development tax credits	(374)	(252)	(135)
Foreign provision different than U.S. tax rate	831	391	545
Stock option expense	33	28	(27)
Adjustment of prior year tax credits and refunds	125	(63)	69
Uncertain tax positions	(10)	(8)	(19)
Goodwill impairment			417
Other	(19)	(22)	78
Total income tax expense (benefit)	$ (174)us-gaap_IncomeTaxExpenseBenefit	$ 3,937us-gaap_IncomeTaxExpenseBenefit	$ (180)us-gaap_IncomeTaxExpenseBenefit

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.

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