| Business Combination (Details 3) - USD ($) $ in Thousands | 3 Months Ended | ||||
|---|---|---|---|---|---|
| Jul. 01, 2016 | Apr. 28, 2016 | Mar. 31, 2017 | Mar. 31, 2016 | Dec. 31, 2016 | |
| Business Acquisition [Line Items] | |||||
| Revenue, Net | $ 88,841 | $ 102,685 | |||
| Balance as of January 1, 2017 | $ 75,673 | $ 76,015 | |||
| Wireless Infrastructure Backhaul Business of Broadcom Corporation [Member] | |||||
| Business Acquisition [Line Items] | |||||
| Business Acquisition, Effective Date of Acquisition | Jul. 01, 2016 | ||||
| Business Combination, Consideration Transferred | $ 80,000 | ||||
| Business Acquisition, Name of Acquired Entity | wireless infrastructure backhaul business | ||||
| Wireless Infrastructure Access Line Business of of Microsemi Storage Solutions, Inc. [Member] | |||||
| Business Acquisition [Line Items] | |||||
| Business Acquisition, Effective Date of Acquisition | Apr. 28, 2016 | ||||
| Business Combination, Consideration Transferred | $ 21,000 | ||||
| Business Acquisition, Name of Acquired Entity | wireless infrastructure access business | ||||
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- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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