v3.22.4
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Accounts receivable (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES    
Cash equivalents $ 0 $ 0
Allowance for doubtful accounts 539 87
Accounts receivable written off $ 472 $ 104