Quarterly report pursuant to Section 13 or 15(d)

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - Deferred Revenue, by Arrangement, Disclosure

v3.22.1
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - Deferred Revenue, by Arrangement, Disclosure - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Deferred Revenue, by Arrangement, Disclosure [Abstract]    
Deferred revenue-current $ 29 $ 32
Deferred revenue-noncurrent 0 5
Total deferred revenue $ 29 $ 37