Schedule of Supplemental Balance Sheet Information Related to Leases (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Leases
Operating lease right-of-use assets	$ 623	$ 706
Finance lease right-of-use assets	21	24
Current portion of operating lease liabilities	323	352
Operating lease liabilities, net of current portion	342	400
Total operating lease liabilities	665	752
Current portion of finance lease liabilities	12	12
Finance lease liabilities, net of current portion	9	12
Total finance lease liabilities	$ 21	$ 24
Weighted average remaining lease term, Operating leases		2 years 2 months 12 days
Weighted average remaining lease term, Finance leases		2 years 2 months 12 days
Weighted average discount rate, Operating leases		8.00%
Weighted average discount rate, Finance leases		8.00%