Quarterly report pursuant to Section 13 or 15(d)

Subsequent Event - Additional Information (Detail)

v2.4.0.8
Subsequent Event - Additional Information (Detail) (USD $)
0 Months Ended
Jun. 30, 2014
Dec. 31, 2013
Jul. 02, 2014
Subsequent Event [Member]
Jul. 02, 2014
Subsequent Event [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Common stock, shares authorized       100,000
Common stock, par value $ 0.0001 $ 0.0001   $ 0.0001
Option Vesting period     3 years  
Expiration of option vesting period     5 years  
Exercise price of common stock     $ 2.674