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DEBT AND OTHER FINANCING ARRANGEMENTS - Term Facility with Antara (Details) - USD ($)
3 Months Ended 9 Months Ended
Oct. 31, 2019
Oct. 09, 2019
Sep. 30, 2020
Mar. 31, 2021
Mar. 31, 2020
Debt Instrument [Line Items]          
Debt premium       $ 2,696,000 $ 1,040,000
Line of Credit | 2020 Antara Term Facility | Term Facility          
Debt Instrument [Line Items]          
Maximum borrowing capacity   $ 30,000,000.0      
First draw $ 15,000,000.0        
Second draw $ 15,000,000.0        
Commitment termination fee 3.00%        
Interest rate, during period 9.75%        
Repayment of line of credit, net $ 10,100,000        
Prepayment premium 5.00%        
Debt issuance costs   900,000      
Commitment fee   100,000 $ 1,200,000    
Debt premium   $ 2,100,000