General form of registration statement for all companies including face-amount certificate companies

SCHEDULE OF OTHER CURRENT ASSETS (Details)

v3.21.4
SCHEDULE OF OTHER CURRENT ASSETS (Details) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Dec. 31, 2019
Accounting Policies [Abstract]      
Lab supply inventory $ 2,271 $ 2,052 $ 1,825
Prepaid expenses 734 625 971
Other 130 45 167
Funds in escrow 888
Total other current assets $ 3,135 $ 2,722 $ 3,851