Schedule of Long Term Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Payables and Accruals [Abstract]
Warrant liability		$ 21
Uncertain tax positions	4,577	4,342
Deferred revenue	13	136
Other	58	138
Total other long-term liabilities	$ 4,648	$ 4,637