Acquisitions - Pro Forma Financial Information for Nexgen (Detail) - Nexgen Wireless, Inc. [Member] - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
REVENUES	$ 26,526	$ 33,155	$ 83,435	$ 95,508
NET INCOME	$ (1,062)	$ 2,680	$ (719)	$ 4,464
NET INCOME PER SHARE	$ (0.06)	$ 0.15	$ (0.04)	$ 0.24

The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (h)(2)-(3)

-URI http://asc.fasb.org/extlink&oid=56956515&loc=d3e1392-128463

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The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

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