Right-of-use Asset and Leasing Liabilities (Details - Consolidated Balance Sheet) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Right-of-use Asset And Leasing Liabilities
Finance leases, right-of-use assets, net	$ 1,709	$ 20
Operating leases, right-of-use assets, net	808	1,010
Total lease assets	2,517	1,030
Finance leases liabilities, current portion	644	21
Operating leases liabilities, current portion	935	487
Finance leases liability, noncurrent portion	673	0
Operating lease liability, noncurrent portion	1,250	1,867
Total lease liabilities	$ 3,502	$ 2,375
Weighted average remaining lease term - Finance leases	2 years 7 months 28 days	7 months 13 days
Weighted average remaining lease term - Operating leases	2 years 11 months 8 days	3 years 10 months 9 days
Weighted average discount rate - Finance leases	3.35%	4.55%
Weighted average discount rate - Operating leases	4.70%	4.31%