Accounts Receivable, net (Details - Accounts receivable) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Receivables [Abstract]
Accounts receivable	$ 25,905	$ 24,441
Less: Allowance for credit losses	(1,787)	(1,750)
Accounts receivable, net	$ 24,118	$ 22,691