INCOME TAXES (Details 2) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Income Tax Disclosure [Abstract]
United States federal tax statutory rate	$ 225	$ 137
State taxes, net of federal benefit	(52)	(6)
Valuation allowances against deferred tax assets	(58)	637
Research and development tax credits	(252)	(716)
Foreign provision different than U.S. tax rate	22	104
Stock option expense	14	21
Adjustment of prior year tax credits and refunds	174	(40)
Uncertain tax positions	0	0
Other	(98)	(119)
Total income tax expense (benefit)	$ (25)	$ 18