Annual report pursuant to Section 13 and 15(d)

DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Concentration of Credit Risk (Details)

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DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Concentration of Credit Risk (Details) - Accounts Receivable - Customer Concentration Risk
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Three specialty distributors    
Percentage 85.00% 97.00%
US Government and from other collaboration partners    
Percentage 15.00% 3.00%