|
Weighted Average Assumptions Used to Calculate the Fair Value of Stock Option Awards (Detail)
|
12 Months Ended | |
|---|---|---|
|
Dec. 31, 2014
|
Dec. 31, 2013
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Risk Free Interest Rate | 2.80% | |
| Expected Volatility | 62.60% | |
| Dividend Yield | 0.00% | 0.00% |
| Expected Life in Years | 6 years | 6 years 6 months |
| Minimum [Member] | ||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Risk Free Interest Rate | 1.64% | |
| Expected Volatility | 55.60% | |
| Maximum [Member] | ||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Risk Free Interest Rate | 2.75% | |
| Expected Volatility | 74.10% | |