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DEBT (Details) - USD ($)
1 Months Ended 6 Months Ended 12 Months Ended
Sep. 30, 2023
Jun. 30, 2023
Mar. 31, 2023
Sep. 30, 2022
Jun. 30, 2022
Mar. 31, 2022
Mar. 02, 2022
Jun. 25, 2020
Aug. 10, 2018
Jun. 30, 2020
Jun. 30, 2022
Dec. 31, 2021
LONG-TERM DEBT                        
Sale of flow-through common stock             $ 14,400,000          
Term Loan                        
LONG-TERM DEBT                        
Working capital covenant                   $ 10,000,000.0    
Term Loan | Chairman and Chief Executive Officer [Member]                        
LONG-TERM DEBT                        
Face amount         $ 50,000,000.0       $ 50,000,000.0   $ 50,000,000.0  
Term of debt instrument                 3 years      
Stated interest rate (as a percent)                 9.75%      
Amended loan agreement                        
LONG-TERM DEBT                        
Face amount           $ 50,000,000.0   $ 50,000,000.0        
Extension term for repayment of debt           18 months   2 years        
Term loan retirement period           18 months   11 months        
Principal repayments           $ 2,000,000.0   $ 2,000,000.0        
Final payment           12,000,000.0   $ 26,000,000.0        
Working capital covenant $ 10,000,000 $ 7,000,000.0 $ 5,000,000.0 $ 10,000,000 $ 7,000,000.0 5,000,000.0         10,000,000.0 $ 2,500,000
Shares issued as bonus interest               2,091,700        
Sale of flow-through common stock               $ 1,875,000     $ 500,000  
Commercial Paper | Company Controlled by Mcewen                        
LONG-TERM DEBT                        
Due to Related Parties           $ 15,000,000.0            
Related Party Transaction, Interest Rate           8.00%