Income Taxes (Details - Provision for income taxes) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Current tax:
Federal tax	$ 0	$ 0
State tax	21	4
Foreign countries	2,439	1,672
Total current tax	2,460	1,676
Deferred tax:
Federal tax	0	0
State tax	0	0
Foreign countries	468	222
Total deferred tax	(468)	(222)
Total provision for income taxes	$ 1,992	$ 1,454