Acquisitions - Pro Forma Financial Information for Nexgen (Detail) - Nexgen Wireless, Inc. [Member] - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
REVENUES	$ 109,573	$ 130,991	$ 119,796
NET (LOSS) INCOME	$ (1,435)	$ 8,954	$ 3,242
NET (LOSS) INCOME PER SHARE	$ (0.08)	$ 0.49	$ 0.18

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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