Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Condensed Consolidated Statements of Operations
Revenue	$ 34,277	$ 28,396	$ 63,669	$ 54,848
Costs and operating expenses:
Network access	16,011	13,247	29,634	26,172
Network operations	7,902	5,793	15,941	11,617
Development and technology	4,786	3,169	8,977	6,840
Selling and marketing	4,781	3,966	9,197	7,851
General and administrative	5,689	4,645	11,522	9,040
Amortization of intangible assets	873	928	1,766	1,853
Total costs and operating expenses	40,042	31,748	77,037	63,373
Loss from operations	(5,765)	(3,352)	(13,368)	(8,525)
Interest and other income (expense), net	19	(18)	(1)	1
Loss before income taxes	(5,746)	(3,370)	(13,369)	(8,524)
Income tax expense	82	155	286	303
Net loss	(5,828)	(3,525)	(13,655)	(8,827)
Net income attributable to non-controlling interests	109	209	164	355
Net loss attributable to common stockholders	$ (5,937)	$ (3,734)	$ (13,819)	$ (9,182)
Net loss per share attributable to common stockholders:
Basic (in dollars per share)	$ (0.16)	$ (0.10)	$ (0.38)	$ (0.26)
Diluted (in dollars per share)	$ (0.16)	$ (0.10)	$ (0.38)	$ (0.26)
Weighted average shares used in computing net loss per share attributable to common stockholders:
Basic (in shares)	36,724	35,621	36,558	35,486
Diluted (in shares)	36,724	35,621	36,558	35,486