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SHORT-TERM AND LONG-TERM DEBT (Schedule of Aggregate Annual Maturities) (Details) - USD ($)
$ in Thousands
Jun. 30, 2020
Dec. 31, 2019
Debt Instrument Line Items    
Long-term debt $ 4,167 $ 8,333
Debt Instrument [Line Items]    
Debt Instrument Line Items    
Reminder of 2020 4,167  
2021 8,333  
Present value of principal payments 12,500  
Less: current portion (8,333)  
Long-term debt $ 4,167