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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Capital Resources and Liquidity (Details) - customer
3 Months Ended 12 Months Ended
Mar. 31, 2023
Dec. 31, 2022
Product Information [Line Items]    
Number of customers 2 2
Google | Accounts Receivable | Advertising Partner Risk    
Product Information [Line Items]    
Concentration risk, percentage 74.00% 68.00%
Yahoo | Accounts Receivable | Advertising Partner Risk    
Product Information [Line Items]    
Concentration risk, percentage 9.00% 11.00%