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DEBT AND OTHER FINANCING ARRANGEMENTS - Term Facility with Antara (Details) - USD ($)
3 Months Ended
Oct. 31, 2019
Oct. 09, 2019
Jun. 30, 2020
Jun. 30, 2021
Debt Instrument [Line Items]        
Long term debt       $ 14,550,000
Line of Credit | 2020 Antara Term Facility | Term Facility        
Debt Instrument [Line Items]        
Maximum borrowing capacity   $ 30,000,000    
First draw $ 15,000,000      
Second draw $ 15,000,000      
Interest rate. during period 9.75%      
Repayment of line of credit $ 10,100,000      
Prepayment premium percent 5.00%      
Debt issuance costs   900,000    
Commitment fee   100,000 $ 1,200,000  
Amortization of debt issuance costs and discounts   $ 2,100,000