v2.4.0.8
Debt - Effect of Derivative Financial Instrument on Condensed Consolidated Statements of Operations and Comprehensive Loss (Detail) (Warrant, USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Derivative Instruments Gain Loss [Line Items]        
Income expense due to fair value adjustments related to warrants excluded from the computations of EPS $ 1,200   $ 0  
Interest Expense
       
Derivative Instruments Gain Loss [Line Items]        
Income expense due to fair value adjustments related to warrants excluded from the computations of EPS $ 1,178 $ (329) $ (19) $ (755)