|
CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) (Parenthetical) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | |
|---|---|---|
|
Mar. 31, 2014
|
Mar. 31, 2013
|
|
| Amortization of upfront incentive consideration | $ 11,047 | $ 9,599 |
| Stock-based compensation expense | 5,579 | 2,724 |
|
Cost of revenue [Member]
|
||
| Stock-based compensation expense | 1,506 | 458 |
|
Selling, general and administrative [Member]
|
||
| Stock-based compensation expense | $ 4,073 | $ 2,266 |