Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Condensed Consolidated Statements of Operations
Revenue	$ 44,333	$ 34,499
Costs and operating expenses:
Network access	19,407	14,678
Network operations	11,263	10,450
Development and technology	6,334	5,353
Selling and marketing	4,893	4,668
General and administrative	8,103	8,152
Amortization of intangible assets	911	865
Total costs and operating expenses	50,911	44,166
Loss from operations	(6,578)	(9,667)
Interest and other income (expense), net	4	(30)
Loss before income taxes	(6,574)	(9,697)
Income tax expense	199	238
Net loss	(6,773)	(9,935)
Net income attributable to non-controlling interests	107	49
Net loss attributable to common stockholders	$ (6,880)	$ (9,984)
Net loss per share attributable to common stockholders:
Basic (in dollars per share)	$ (0.18)	$ (0.27)
Diluted (in dollars per share)	$ (0.18)	$ (0.27)
Weighted average shares used in computing net loss per share attributable to common stockholders:
Basic (in shares)	38,712	37,554
Diluted (in shares)	38,712	37,554