8. INCOME TAXES (Details - Provision for income taxes) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Federal:
Current	$ 0	$ 0
Deferred	10	5
Total	10	5
State:
Current	13	(8)
Deferred	(10)	(5)
Total	3	(13)
Total income tax expense (benefit)	$ 13	$ (8)