Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Fair value of derivative warrant liability (Detail)

v3.4.0.3
Fair Value Measurements - Fair value of derivative warrant liability (Detail) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Fair value adjustment of derivative warrant liability $ 89 $ 0
Warrant [Member]    
Beginning balance at January 1, 2016 114  
Fair value adjustment of derivative warrant liability 89  
Ending balance at March 31, 2016 $ 203