Note 6 - Stock-based Compensation (Details) - Stock-based Compensation Expense and Related Income Tax Benefit (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 9 Months Ended | ||
---|---|---|---|---|
Sep. 30, 2014
|
Sep. 30, 2013
|
Sep. 30, 2014
|
Sep. 30, 2013
|
|
Stock-based Compensation Expense and Related Income Tax Benefit [Abstract] | ||||
Stock-based compensation expense, gross | $ 981 | $ 255 | $ 4,032 | $ 1,719 |
Income tax benefit at our statutory rate associated with stock-based compensation | (383) | (99) | (1,572) | (670) |
Stock-based compensation expense, net | $ 598 | $ 156 | $ 2,460 | $ 1,049 |