Quarterly report pursuant to Section 13 or 15(d)

Fair Value of Warrants (Detail)

v3.3.1.900
Fair Value of Warrants (Detail)
Feb. 06, 2015
Sep. 26, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Warrants risk-free interest rate 1.48% 1.82%
Warrants expected life 5 years 5 years
Warrants expected volatility 119.00% 136.00%
Warrants expected dividend yield 0.00% 0.00%