Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies (Schedule of Operating Leases) (Details)

v3.21.1
Commitments and Contingencies (Schedule of Operating Leases) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Lease cost    
Operating lease cost $ 330 $ 312
Variable lease cost 470 684
Total $ 800 $ 996