Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Computation of Loss per Share (Detail)

v3.3.0.814
Summary of Significant Accounting Policies - Computation of Loss per Share (Detail) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Numerator:        
Net loss allocated to common stock-basic $ (5,865) $ (5,961) $ (9,550) $ (19,195)
Adjustments for revaluation of warrants     (505)  
Net loss allocated to common stock-diluted $ (5,865) $ (5,961) $ (10,055) $ (19,195)
Denominator:        
Weighted average number of common stock shares outstanding - basic 21,674,742 13,468,081 17,368,309 11,148,695
Dilutive Securities Common stock warrants     15,691  
Weighted average number of common stock shares outstanding - diluted 21,674,742 13,468,081 17,384,000 11,148,695
Net loss per share - basic: $ (0.27) $ (0.44) $ (0.55) $ (1.72)
Net loss per share - diluted: $ (0.27) $ (0.44) $ (0.58) $ (1.72)