Other Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Other liabilities, current
Accrued compensation	$ 1,516	$ 2,641
Salary continuation payments	245	935
Restricted stock units	650	714
Non-refundable option payment received for Assets held for sale	630	0
Deferred payroll tax liability	471	471
Excise tax liability	0	268
Accrued directors’ fees	22	15
Total	3,534	5,044
Other liabilities, non-current
Finance lease liability	234	286
Operating lease liability	29	53
Total	$ 263	$ 339
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Total	Total
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Total	Total