Income taxes (Details - Provision) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Current:
Federal	$ 1,097	$ 398
State and local	951	357
Total current	2,048	755
Deferred	257	841
Provision for income taxes	$ 2,305	$ 1,596