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, 2013
Dec. 31, 2012
Deferred tax assets:    
Reserves, deferred revenue and accrued liabilities $ 6,303 $ 7,215
Stock-based compensation 10,873 7,401
Net operating loss carryforwards 16,106 23,139
Total gross deferred tax assets 33,282 37,755
Deferred tax asset valuation allowance (43) (9,216)
Total deferred tax assets 33,239 28,539
Deferred tax liabilities:    
Property, equipment and software (5,408) (3,820)
Other (2,055) (1,711)
Intangible assets (23,871) (23,020)
Total deferred tax liabilities (31,334) (28,551)
Net deferred tax assets (liabilities) $ 1,905 $ (12)