v3.8.0.1

Summary of significant accounting policies (Tables)

12 Months Ended

Dec. 31, 2017

Summary of significant accounting policies

Schedule of estimated useful lives for property and equipment

Software		2 to 5 years
Computer equipment		3 to 5 years
Furniture, fixtures and office equipment		3 to 5 years
Leasehold improvements		The shorter of the estimated useful life or the remaining term of the agreements, generally ranging from 2 to 18 years

Summary of the entity's revenue by primary revenue source

		Year Ended December 31,
		2017			2016			2015
Revenue:
DAS		$	80,552		$	58,182		$	46,455
Military			55,129			39,975			19,898
Wholesale—Wi-Fi			31,529			22,221			21,923
Retail			24,926			26,636			31,763
Advertising and other			12,233			12,330			19,587
​	​	​	​	​	​	​	​	​	​	​
Total revenue		$	204,369		$	159,344		$	139,626
​	​	​	​	​	​	​	​	​	​	​
​	​	​	​	​	​	​	​	​	​	​

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- Definition

Tabular disclosure of entity-wide revenues from external customers for each product or service or each group of similar products or services if the information is not provided as part of the reportable operating segment information.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 40
-URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e9031-108599

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Tabular disclosure of the useful life of property and equipment.

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