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Commitments and Contingencies (Details Textual) (USD $)
3 Months Ended
Mar. 31, 2014
Commitments and Contingencies [Line Items]  
Line of Credit Facility, Amount Outstanding $ 15,000,000
Line Of Credit Facility, Maximum Borrowing Percentage 80.00%
Line of Credit Facility, Interest Rate Description at the bank’s alternate base interest rate plus 0.5% or LIBOR plus 2.5%
Estimated Litigation Liability 8,000,000
Litigation Settlement, Expense $ 250,000