v3.3.1.900

Summary of significant accounting policies (Tables) | 12 Months Ended
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Dec. 31, 2015
Summary of significant accounting policies |
Schedule of estimated useful lives for property and equipment |
Software |  | 2 to 5 years
Computer equipment |  | 2 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 15 years
Schedule of weighted average assumptions used to calculate the grant date fair values of employee stock option grants |
|  | December 31, |
|  | 2014 |  | 2013 |
Expected term (years) |  |  | 6.25 |  |  | 6.25 |
Expected volatility |  |  | 48.6 | % |  | 49.31 | %
Risk-free interest rate |  |  | 1.8 | % |  | 1.34 | %
Dividend yield |  |  | 0 | % |  | 0 | %
Summary of the entity's revenue by primary revenue source |
|  | Year Ended December 31, |
|  | 2015 |  | 2014 |  | 2013 |
Revenue: |  |  |  |  |  |  |  |  |  |
DAS |  | $ | 46,455 |  | $ | 38,259 |  | $ | 32,681 |
Retail |  |  | 31,763 |  |  | 40,336 |  |  | 43,194 |
Wholesale—Wi-Fi |  |  | 21,923 |  |  | 15,209 |  |  | 17,261 |
Military |  |  | 19,898 |  |  | 4,486 |  |  | 1,260 |
Advertising and other |  |  | 19,587 |  |  | 21,007 |  |  | 12,350 |
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Total revenue |  | $ | 139,626 |  | $ | 119,297 |  | $ | 106,746 |
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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=51669610&loc=d3e9031-108599 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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