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FINANCING OBLIGATIONS (Details Textuals 5) (USD $)
3 Months Ended 9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Line of Credit Facility [Line Items]        
Total interest expense $ 90,000 $ 44,000 $ 212,000 $ 138,000
Wells Fargo, N.A. (the "Bank") | Term loan(the "Equipment Loan")
       
Line of Credit Facility [Line Items]        
Interest expense on the Credit Facility 1,000 1,000 7,000 7,000
Weighted average interest rate on credit facility 3.27% 3.23% 3.28% 3.14%
Unused Credit Facility fees 23,000 27,000 75,000 69,000
Total interest expense $ 90,000 $ 44,000 $ 212,000 $ 138,000
Rate of interest charged on credit facility     3.21%