v3.20.2
DEBT AND CREDIT ARRANGEMENTS - Schedule of Long-term Debt (Details) - USD ($)
$ in Thousands
Jun. 30, 2020
Dec. 31, 2019
Debt Instrument [Line Items]    
Total debt $ 21,145 $ 26,191
Less: current maturities 128 124
Total long-term debt, net of current maturities 21,017 26,067
Note payable to Squadron    
Debt Instrument [Line Items]    
Note payable to Squadron 19,907 19,891
Term loan facility with Squadron | Revolving Credit Facility    
Debt Instrument [Line Items]    
Mortgage payable to affiliate 0 5,000
Mortgage payable to affiliate    
Debt Instrument [Line Items]    
Mortgage payable to affiliate 1,238 1,300
Less: current maturities $ 128 $ 124