v3.10.0.1

Summary of significant accounting policies - Revenue disaggregated by product offerings (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018 USD ($)	Sep. 30, 2017 USD ($)	Sep. 30, 2018 USD ($) segment	Sep. 30, 2017 USD ($)
Primary revenue source
Number of reportable segments | segment			1
Revenue	$ 65,253	$ 53,655	$ 183,013	$ 147,021
DAS
Primary revenue source
Revenue	24,410	21,755	69,940	56,563
Military/multifamily
Primary revenue source
Revenue	21,745	13,946	54,334	40,029
Wholesale-Wi-Fi
Primary revenue source
Revenue	11,749	8,307	36,428	22,438
Retail
Primary revenue source
Revenue	4,088	6,234	13,964	19,007
Advertising and other
Primary revenue source
Revenue	$ 3,261	$ 3,413	$ 8,347	$ 8,984

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- Definition

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+ References

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+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
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