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LINE OF CREDIT (Details) (USD $)
 12 Months Ended
Dec. 31, 2012
Mortgage Note Payable [Member]
  
Debt Instrument [Line Items]  
Borrowings under industrial revenue bonds $ 3,400,000
Amortization period of bonds 20 years
Fixed interest rate of bonds (in hundredths) 5.60%
Mortgage scheduled maturities [Abstract]  
2013 138,000
2014 146,000
2015 154,000
2016 163,000
2017 172,000
Thereafter 2,646,000
Revolving Line of Credit Facility [Member]
  
Line of Credit Facility [Line Items]  
Maximum borrowing capacity of line of credit facility 6,000,000
Line of credit facility outstanding 0
Description of variable rate basis LIBOR
Basis spread on variable rate (in hundredths) 1.75%
Maximum ratio of tangible net worth 0.75
Ratio of minimum fixed charge 1.25
Available borrowing capacity of line of credit facility 4,000,000
Equipment Line of Credit Facility [Member]
  
Line of Credit Facility [Line Items]  
Maximum borrowing capacity of line of credit facility 1,000,000
Maximum ratio of tangible net worth 0.75
Ratio of minimum fixed charge 1.25
Available borrowing capacity of line of credit facility $ 1,000,000
Equipment Line of Credit Facility [Member] | Prior to Conversion of Credit Facility [Member]
  
Line of Credit Facility [Line Items]  
Description of variable rate basis LIBOR
Basis spread on variable rate (in hundredths) 2.25%
Credit facility term 1 year
Equipment Line of Credit Facility [Member] | After Conversion of Credit Facility [Member]
  
Line of Credit Facility [Line Items]  
Description of variable rate basis LIBOR
Basis spread on variable rate (in hundredths) 2.50%
Credit facility term 5 years