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EQUIPMENT LOAN AND LEASES - Details regarding equipment loan (Detail textuals) (USD $)
12 Months Ended 12 Months Ended
Dec. 31, 2012
Equipment Loan
Installment
Jun. 30, 2012
Equipment Loan
Dec. 31, 2011
Wells Fargo, N.A. (the "Bank")
Credit Facility
Installment
Dec. 31, 2012
Wells Fargo, N.A. (the "Bank")
Credit Facility
Line of Credit Facility [Line Items]        
Maturity period of equipment loan five year      
Amount of equipment loan   $ 1,800,000    
Maximum borrowing limit     15,000,000 15,000,000
Repayment term of equipment loan five year      
Number of monthly installments to repay loan 60   60  
Monthly repayment of equipment loan $ 30,000