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DEBT AND CREDIT ARRANGEMENTS (Tables)
9 Months Ended
Sep. 30, 2018
Debt Disclosure [Abstract]  
Schedule of long-term debt instruments
Long-term debt consisted of the following:
September 30, December 31, 
20182017
Note payable to Squadron $20,000 $20,000 
Revolving credit facility with Squadron 3,947 3,921 
Mortgage payable to affiliate 1,447 1,531 
Total debt 25,394 25,452 
Less: current maturities 117 113 
Long-term debt, net of current maturities $25,277 $25,339