Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

SIGNIFICANT ACCOUNTING POLICIES - Summary of Contract Liabilities (Detail)

v3.22.1
SIGNIFICANT ACCOUNTING POLICIES - Summary of Contract Liabilities (Detail) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Contract Liabilities, Current    
Deferred Revenue $ 135 $ 996
Customer Advance Payment 61 665
Total 196 1,661
Contract Liabilities, Long-Term    
Deferred Revenue 4,517 3,473
Total Contract Liabilities $ 4,713 $ 5,134