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DEBT AND CREDIT ARRANGEMENTS (Tables)
12 Months Ended
Dec. 31, 2020
Debt Disclosure [Abstract]  
Schedule of long-term debt
Long-term debt consisted of the following:
December 31,
20202019
Note payable to Squadron$— $19,891 
Revolving credit facility with Squadron— 5,000 
Mortgage payable to affiliate1,175 1,300 
Total debt1,175 26,191 
Less: current maturities131 124 
Long-term debt, net of current maturities$1,044 $26,067 
Schedule of aggregate future principal payments
At December 31, 2020, the aggregate future principal payments on our debt arrangements are as follows:
2021$131 
2022137 
2023144 
2024152 
2025160 
Thereafter451 
$1,175