Notes Payable (Details) (USD $)
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1 Months Ended | 12 Months Ended | |
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Feb. 29, 2012
item
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Dec. 31, 2012
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Apr. 30, 2013
|
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Previous debt agreement
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Note payable | |||
Repayment of the previous debt by using proceeds of new debt | $ 408,000 | ||
Structured debt agreement
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Note payable | |||
Debt issued | 7,500,000 | ||
Number of residual interests used as collateral for structured debt facility | 8 | ||
Proceeds from issuance of debt, net of payoff and transaction costs | 7,000,000 | ||
Transaction costs incurred | 50,000 | ||
Amount of reserve for payment of notes payable | $ 1,500,000 |