Stockholders' Equity - Reconciliation of Warrant Liability Measured at Fair Value (Detail) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 6 Months Ended | ||
---|---|---|---|---|
Jun. 30, 2013
|
Jun. 30, 2012
|
Jun. 30, 2013
|
Jun. 30, 2012
|
|
Equity [Abstract] | ||||
Beginning Balance | $ 32,558 | |||
Change in fair value of common stock warrants | 5,822 | (19,852) | 8,938 | 88,539 |
Exercise of warrants | (7,513) | |||
Ending Balance | $ 33,983 | $ 33,983 |
X | ||||||||||
- Definition
Exercise of warrants liability measured at fair value. No definition available.
|
X | ||||||||||
- Details
|
X | ||||||||||
- Definition
Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Definition
Value of outstanding derivative securities that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|