Annual report pursuant to Section 13 and 15(d)

Components of Deferred Tax Assets and Liabilities (Detail)

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Components of Deferred Tax Assets and Liabilities (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Deferred tax assets:    
Stock-based compensation $ 7,401 $ 6,945
Reserves and accrued liabilities 7,215 6,579
Net operating loss carryforwards 23,139 31,604
Total gross deferred tax assets 37,755 45,128
Deferred tax asset valuation allowance (9,216) (9,229)
Deferred tax assets 28,539 35,899
Deferred tax liabilities:    
Property, equipment, and software (3,820) (5,448)
Other (1,711) (1,664)
Intangible assets (23,020) (25,976)
Total deferred tax liabilities (28,551) (33,088)
Net deferred tax assets/(liabilities) $ (12) $ 2,811