Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements - Summary of Changes in Fair Value of Level 3 Financial Liabilities (Detail)

v2.4.0.8
Fair Value Measurements - Summary of Changes in Fair Value of Level 3 Financial Liabilities (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Fair Value Disclosures [Abstract]  
Warrant liability, Beginning Balance $ 3,422
Gain on Warrants 3,208
Warrant liability, Ending Balance $ 214