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Summary of Preliminary Purchase Price Allocation for Acquisition (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 1 Months Ended 3 Months Ended
Mar. 31, 2014
Dec. 31, 2013
Oct. 09, 2013
Antenna
Mar. 31, 2014
Antenna
Total purchase consideration:        
Cash $ 793   $ 27,100 $ 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       5,589
Identifiable intangible assets 10,355     10,355
Goodwill 36,869 36,869   16,418
Accounts payable       (1,403)
Accrued liabilities       (9,026)
Deferred revenue       (4,378)
Net assets acquired       $ 27,141