7. INCOME TAXES (Details - Provision for income taxes) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Federal:
Current	$ 0	$ 0
Deferred	2	1
Total	2	1
State:
Current	8	5
Deferred	(2)	(1)
Total	6	4
Total income tax expense (benefit)	$ 8	$ 5