INCOME TAXES (Details - Income tax expense) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Tax Disclosure [Abstract]
Federal current tax	$ (256)	$ (161)	$ (765)
State current tax	(1,608)	7,715	7,263
Other current tax	27	22	20
Federal deferred tax	(303)	3,396	(2,020)
State deferred tax	3,035	(4,743)	(4,104)
Income tax expense	$ 895	$ 6,229	$ 394