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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Concentration Risk of Major Customers (Details) - Concentration risk by major customer - segment | 3 Months Ended | 6 Months Ended
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Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021
Concentration of Major Customers |  |  |  |
Number of customers |  |  | 3 |
Sales Revenue, Net | Largest wholesaler |  |  |  |
Concentration of Major Customers |  |  |  |
Percentage of revenue from customers to total revenue | 32.00% | 31.00% | 31.00% | 31.00%
Sales Revenue, Net | Second largest wholesaler |  |  |  |
Concentration of Major Customers |  |  |  |
Percentage of revenue from customers to total revenue | 23.00% | 29.00% | 23.00% | 29.00%
Sales Revenue, Net | Third largest wholesaler |  |  |  |
Concentration of Major Customers |  |  |  |
Percentage of revenue from customers to total revenue | 22.00% | 26.00% | 22.00% | 26.00%
Sales Revenue, Net | Three largest customers |  |  |  |
Concentration of Major Customers |  |  |  |
Percentage of revenue from customers to total revenue | 77.00% | 86.00% | 76.00% | 86.00%

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