8. Income Taxes (Details - Income Tax Reconciliation) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Reconciliation of income tax benefit to statutory rate:
Income benefit at statutory rate	$ (1,369)	$ 938
State income taxes (benefit), net of federal income tax benefit	(121)	1,066
Permanent differences	60	10
Change in valuation allowance	1,425	(2,030)
Other	5	16
Income tax provision	$ 0	$ 0