Leases (Details - Supplemental information related to operating leases) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Leases
Cash paid for amounts included in the measurement of lease liabilities	$ 1,772	$ 667
New operating lease assets obtained in exchange for operating lease liabilities	$ 8,502	$ 5,280