9. INCOME TAXES (Details - Provision for income taxes) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Federal:
Current	$ 0	$ 7
Deferred	1	(3)
Total	1	4
State:
Current	5	13
Deferred	(1)	3
Total	4	16
Total income tax expense (benefit)	$ 5	$ 20