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SIGNIFICANT ACCOUNTING POLICIES - Additional information (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
SIGNIFICANT ACCOUNTING POLICIES    
Research and Development Expense $ 2,600 $ 800
Selling and Marketing Expense 54,290 34,133
General and Administrative Expense $ 26,324 $ 18,323