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DEBT- Rollforward (Details) - USD ($)
$ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2020
Dec. 31, 2019
Long-term debt    
Long-term portion $ 23,904 $ 19,758
Term Loan | Gold Bar Complex    
Long-term debt    
Balance, beginning of year 49,516 49,206
Interest expense 2,598 5,185
Interest payments (2,431) (4,875)
Debt amendment fee (1,875)  
Balance, end of year 47,808 49,516
Less current portion   10,000
Long-term portion $ 47,808 $ 39,516