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DEBT AND CREDIT ARRANGEMENTS (Tables)
12 Months Ended
Dec. 31, 2019
Debt Disclosure [Abstract]  
Schedule of long-term debt
Long-term debt consisted of the following:
December 31,
20192018
Note payable to Squadron$19,891  $19,856  
Revolving credit facility with Squadron5,000  —  
Mortgage payable to affiliate1,300  1,418  
Total debt26,191  21,274  
Less: current maturities124  118  
Long-term debt, net of current maturities$26,067  $21,156  
Schedule of aggregate future principal payments
At December 31, 2019, the aggregate future principal payments on our debt arrangements are as follows:
2020$124  
2021131  
2022137  
202325,035  
2024152  
Thereafter612  
$26,191