Quarterly report pursuant to Section 13 or 15(d)

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

v3.5.0.2
Summary of Significant Accounting Policies - Computation of Net Loss per Share (Detail) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Numerator:        
Net loss allocated to common stock-basic $ (6,992) $ (1,357) $ (13,840) $ (3,685)
Adjustments for revaluation of warrants       (9,902)
Net loss allocated to common stock-diluted $ (6,992) $ (1,357) $ (13,840) $ (13,587)
Denominator:        
Weighted average number of common stock shares outstanding - basic 23,447,003 15,258,363 23,447,003 15,179,404
Dilutive Securities Common stock warrants       248,428
Weighted average number of common stock shares outstanding - diluted 23,447,003 15,258,363 23,447,003 15,427,832
Net loss per share-basic: $ (0.30) $ (0.09) $ (0.59) $ (0.24)
Net loss per share-diluted: $ (0.30) $ (0.09) $ (0.59) $ (0.88)