11. INCOME TAXES (Details Narrative) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Net operating loss carryforward	$ 231,629
Unrecognized tax benefits	3,861	$ 94	$ 3,761	$ 3,970
Federal [Member]
Net operating loss carryforward	$ 231,600
Operating loss ending expiration date	Dec. 31, 2036
California [Member]
Net operating loss carryforward	$ 160,500
Operating loss ending expiration date	Dec. 31, 2036