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Summary of Preliminary Purchase Price Allocation for Acquisition (Detail) (USD $)
In Thousands, unless otherwise specified
0 Months Ended 3 Months Ended 6 Months Ended
Jun. 30, 2014
Dec. 31, 2013
Oct. 09, 2013
Antenna
Mar. 31, 2014
Antenna
Jun. 30, 2014
Antenna
Total purchase consideration:          
Cash     $ 27,100 $ 800 $ 27,141
Allocation of the purchase consideration:          
Cash         783
Accounts receivable, net of allowance         4,170
Other assets         3,978
Property and equipment         655
Deferred tax assets, net         5,862
Identifiable intangible assets 10,355       10,355
Goodwill 40,463 40,329     19,878
Accounts payable         (1,403)
Accrued liabilities         (12,759)
Deferred revenue         (4,378)
Net assets acquired         $ 27,141