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Senior Secured Notes (Details Textual) (USD $)
3 Months Ended 6 Months Ended 0 Months Ended 3 Months Ended 0 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Nov. 12, 2013
Lambda Investors LLC [Member]
Mar. 31, 2014
Lambda Investors LLC [Member]
Dec. 31, 2013
Lambda Investors LLC [Member]
Nov. 12, 2013
Lambda Investors LLC [Member]
Senior Notes [Member]
Debt Instrument [Line Items]                
Debt instrument, face amount               $ 1,500,000
Debt instrument, interest rate, stated percentage               12.00%
Debt instrument, maturity date               May 12, 2014
Percentage of sourcing fees     8.00%         8.00%
Transaction fees               120,000
Legal fees         75,000      
Amortization of debt discount (premium) 0 0 142,000 204,000 195,000 142,000 53,000  
Repayments Of Accrued Interest On Senior Secured Note     $ 61,000