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PROPERTY AND EQUIPMENT - Summary of Reconciliation of Depreciation Expense (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Disclosure Of Property Plant And Equipment [Line Items]        
Total depreciation expense $ 44 $ 47 $ 87 $ 82
Technology Expenses        
Disclosure Of Property Plant And Equipment [Line Items]        
Total depreciation expense 0 4 0 8
General and Administrative Expenses        
Disclosure Of Property Plant And Equipment [Line Items]        
Total depreciation expense $ 44 $ 43 $ 87 $ 74