Quarterly report pursuant to Section 13 or 15(d)

REVENUES FROM CONTRACTS AND SIGNIFICANT CUSTOMERS - Significant Customers (Details)

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REVENUES FROM CONTRACTS AND SIGNIFICANT CUSTOMERS - Significant Customers (Details) - Customer Concentration Risk [Member] - customer
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2021
Accounts Receivable [Member] | Two Customers [Member]    
REVENUES FROM CONTRACTS AND SIGNIFICANT CUSTOMERS    
Number of Customers   2
Accounts Receivable [Member] | Customer One    
REVENUES FROM CONTRACTS AND SIGNIFICANT CUSTOMERS    
Concentration risk, percentage   20.70%
Accounts Receivable [Member] | Customer Two    
REVENUES FROM CONTRACTS AND SIGNIFICANT CUSTOMERS    
Concentration risk, percentage   14.90%
Product Revenue | Customer One    
REVENUES FROM CONTRACTS AND SIGNIFICANT CUSTOMERS    
Number of Customers 1