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Capital Stock (Black Scholes model to determine the fair value of the warrants) (Detail)
1 Months Ended
Dec. 23, 2014
2014 Placement Agent Warrants [Member]  
Stockholders Equity [Line Items]  
Risk-free interest rate 1.98%
Expected life 7 years
Expected volatility 138.40%
Dividend Yield 0.00%
Lender Warrants [Member]  
Stockholders Equity [Line Items]  
Risk-free interest rate 2.17%
Expected life 10 years
Expected volatility 121.60%
Dividend Yield 0.00%