v2.4.0.8
Fair Value of Financial Instruments - Schedule of Fair Value Inputs Liabilities Quantitative Information (Detail) (Derivative liability [Member], Lattice Model [Member])
12 Months Ended
Dec. 31, 2013
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]  
Probability of exit 90.00%
Credit Spread 8.90%
Minimum [Member]
 
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]  
Remaining term 9 months 18 days
Yield Volatility 21.40%
Risk-free rate 0.13%
Maximum [Member]
 
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]  
Remaining term 8 years 3 months 18 days
Yield Volatility 31.10%
Risk-free rate 2.45%