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DEBT AND CREDIT AGREEMENTS (Details) (USD $)
In Thousands, unless otherwise specified
 0 Months Ended 3 Months Ended
Mar. 31, 2014
Dec. 31, 2013
Mar. 31, 2014
New Markets Tax Credit Transaction
Aug. 23, 2012
Credit facility
Mar. 31, 2014
Credit facility
Aug. 23, 2012
Credit facility
Minimum
Mar. 31, 2014
Term loans and notes payable
Dec. 31, 2013
Term loans and notes payable
Mar. 31, 2014
Other term loans
Credit Facilities                  
Long-term debt, gross             $ 2,791 $ 2,956  
Less-Current portion (179) (201)              
Long-term debt, net of current maturities 2,612 2,755 2,600            
Line of credit facilities, term of credit agreements       3 years          
Maximum borrowing capacity of the face value of eligible A/R (as a percent)       85.00%          
Maximum percentage of book value of inventories that may be financed       50.00%          
Variable rate basis       one month LIBOR          
Interest rate margin (as a percent)       4.25%          
Interest rate (as a percent)           5.25%      
Annual unused line fee (as a percent)       0.50%          
Outstanding indebtedness under the Credit Facility         0        
Current borrowing capacity         15,201        
Interest rate (as a percent)         5.25%        
Amount outstanding                 $ 191