|
Stock-based Compensation - Additional Information (Detail) (USD $)
|
3 Months Ended | |
|---|---|---|
|
Mar. 31, 2014
|
Mar. 31, 2013
|
|
| Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] | ||
| Stock options granted | 0 | 10,000 |
| Weighted-average grant date fair value | $ 3.52 | |
| Stock options vested | 10,000 | |
| Stock options forfeited | 37,142 | |
| Stock options exercised | 0 | |
| X | ||||||||||
|
- Details
|
| X | ||||||||||
|
- Definition
The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Gross number of share options (or share units) granted during the period. No definition available.
|
| X | ||||||||||
|
- Definition
The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Number of options vested. No definition available.
|
| X | ||||||||||
|
- Definition
Number of share options (or share units) exercised during the current period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|