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LONG-TERM DEBT (Details) (USD $)
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
LONG-TERM DEBT [Abstract]    
Recovery zone facility bond, maturity date Oct. 01, 2018  
Capital equipment lease maturity date Oct. 01, 2018  
Additional amount to be paid over principal and interest to acquire ownership $ 1.00  
Long-term debt, outstanding amount 5,900,000  
Long-term debt [Abstract]    
Capitalized equipment lease obligations 8,100,000 9,700,000
Less: current portion 2,800,000 2,600,000
Long term debt 5,300,000 7,100,000
Maturities of long-term debt outstanding [Abstract]    
2013 2,800,000  
2014 2,500,000  
2015 2,200,000  
2016 600,000  
2017 $ 0