Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details

Segment Information and Revenues by Geography - Schedule of Revenues by Product Category (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Segment Reporting Information [Line Items]
Revenues	$ 62,254	$ 69,151	$ 122,683	$ 137,263
Sales Revenue, Product Line \| Product Concentration Risk
Segment Reporting Information [Line Items]
Concentration risk, percentage	100.00%	100.00%	100.00%	100.00%
Point-to-Multi-Point
Segment Reporting Information [Line Items]
Revenues	$ 40,564	$ 41,730	$ 75,431	$ 84,057
Point-to-Multi-Point \| Sales Revenue, Product Line \| Product Concentration Risk
Segment Reporting Information [Line Items]
Concentration risk, percentage	65.00%	60.00%	61.00%	61.00%
Point-to-Point
Segment Reporting Information [Line Items]
Revenues	$ 12,602	$ 17,830	$ 25,712	$ 37,464
Point-to-Point \| Sales Revenue, Product Line \| Product Concentration Risk
Segment Reporting Information [Line Items]
Concentration risk, percentage	20.00%	26.00%	21.00%	28.00%
Wi-Fi
Segment Reporting Information [Line Items]
Revenues	$ 7,640	$ 8,430	$ 19,121	$ 14,016
Wi-Fi \| Sales Revenue, Product Line \| Product Concentration Risk
Segment Reporting Information [Line Items]
Concentration risk, percentage	12.00%	12.00%	16.00%	10.00%
Other
Segment Reporting Information [Line Items]
Revenues	$ 1,448	$ 1,161	$ 2,419	$ 1,726
Other \| Sales Revenue, Product Line \| Product Concentration Risk
Segment Reporting Information [Line Items]
Concentration risk, percentage	3.00%	2.00%	2.00%	1.00%