Quarterly report pursuant to Section 13 or 15(d)

Fair Value of Assets and Liabilities - Schedule of Fair Value Assumptions (Detail)

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Fair Value of Assets and Liabilities - Schedule of Fair Value Assumptions (Detail) - 6 months ended Jun. 30, 2014
Total
Debt Instrument Fair Value Carrying Value [Abstract]  
Risk free interest rate 1.25%
Expected dividend yield 0.00%
Contractual term 3 years 11 months 19 days
Expected volatility 66.00%