Annual report pursuant to Section 13 and 15(d)

Selected Balance Sheet Information - Schedule of accrued employee benefits (Details)

v3.20.4
Selected Balance Sheet Information - Schedule of accrued employee benefits (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Selected Balance Sheet Information    
Accrued bonus expense $ 724 $ 858
Accrued vacation expense 144 77
Total $ 868 $ 935