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LONG-TERM DEBT (Details Textual) (USD $)
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Long-term Debt, Description Payable in 36 to 84 monthly installments, mature between October 2014 and December 2017.  
Long-term Debt $ 17,769,000 $ 15,368,000
Long-term Debt, Percentage Bearing Variable Interest, Percentage Rate 2.50%  
Minimum [Member]
   
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate 3.95%  
Maximum [Member]
   
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate 7.85%