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DEBT AND CREDIT AGREEMENTS (Details) (USD $)
In Thousands, unless otherwise specified
 0 Months Ended 9 Months Ended 9 Months Ended
Sep. 30, 2013
Dec. 31, 2012
Sep. 30, 2013
New Markets Tax Credit Transaction
Sep. 30, 2013
Term loans and notes payable
Dec. 31, 2012
Term loans and notes payable
Aug. 23, 2012
Credit facility
Sep. 30, 2013
Credit facility
Dec. 31, 2012
Credit facility
Aug. 23, 2012
Credit facility
Minimum
Apr. 05, 2010
Great Western Bank, construction loan
Apr. 28, 2009
Great Western Bank, construction loan
Sep. 30, 2013
Great Western Bank, Term Loan
item
Sep. 30, 2013
Term loans
Credit Facilities                          
Long-term debt, gross       $ 3,099 $ 3,308     $ 955          
Less-Current portion (342) (1,307)                      
Long-term debt, net of current maturities 2,757 2,956 2,600                    
Maximum borrowing capacity           20,000       6,500 10,000    
Line of credit facilities, term of credit agreements           3 years              
Maximum borrowing capacity of the face value of eligible receivables (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% 8.50%      
Annual unused line fee (as a percent)           0.50%              
Outstanding indebtedness under the Credit Facility             0            
Current borrowing capacity             15,480            
Interest rate (as a percent)             5.25%            
Number of financial covenants                       0  
Amount outstanding                         $ 499