7. Leases (Details 1) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows (fixed payments)	$ 521	$ 522
Operating cash flows (liability reduction)	367	369
ROU assets obtained in exchange for lease obligations	$ 454	$ 2,840
Weighted average remaining lease term (in years)	5 years 11 months 26 days
Weighted average discount rate	5.50%