INCOME TAXES (Details - Unrecognized Tax Benefit) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Unrecognized tax benefit, Balance at beginning of year	$ 5,088	$ 5,484	$ 4,320
Increases related to prior year tax positions	55	317	1,382
Increases related to current year tax positions	0	0	3
Expiration of the statute of limitations for the assessment of taxes	(999)	(713)	(221)
Increase (decrease) related to change in rate	0	0	0
Unrecognized tax benefit, Balance at end of year	$ 4,144	$ 5,088	$ 5,484