INCOME TAXES (Details - Valuation Allowance) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Valuation Allowance [Line Items]
Release of valuation allowance	$ 34,409	$ 0	$ 0
Operating Loss Carryforwards, Valuation Allowance	2,300
Valuation Allowance [Abstract]
Balance, beginning of the period	40,121	49,674	54,961
Change in valuation allowance	(37,780)	(3,707)	(5,287)
Balance, end of the period	2,341	40,121	49,674
Out of period adjustment [Member]
Valuation Allowance [Abstract]
Change in valuation allowance	$ 0	$ (5,846)	$ 0