Quarterly report pursuant to Section 13 or 15(d)

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details)

v3.21.2
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Sep. 30, 2020
Dec. 31, 2019
Accounting Policies [Abstract]        
Cash and cash equivalents $ 2,321 $ 2,487 $ 4,949  
Restricted cash     25,680  
Total cash, cash equivalents and restricted cash $ 2,321 $ 2,487 $ 30,629 $ 1,769