Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Condensed Consolidated Statements of Operations
Revenue	$ 64,707	$ 65,253	$ 199,734	$ 183,013
Costs and operating expenses:
Network access	29,155	29,273	90,368	79,926
Network operations	13,682	13,260	42,073	38,829
Development and technology	8,182	7,995	25,534	22,883
Selling and marketing	5,721	5,674	17,782	16,490
General and administrative	5,021	7,789	20,330	22,218
Amortization of intangible assets	1,103	1,112	3,365	2,507
Total costs and operating expenses	62,864	65,103	199,452	182,853
Income from operations	1,843	150	282	160
Interest expense and amortization of debt discount	(2,191)	(8)	(6,741)	(58)
Interest income and other expense, net	388	(14)	1,600	(93)
Income (loss) before income taxes	40	128	(4,859)	9
Income tax expense	(143)	(54)	(254)	(198)
Net (loss) income	(103)	74	(5,113)	(189)
Net income attributable to non-controlling interests	84	596	11	1,447
Net loss attributable to common stockholders	$ (187)	$ (522)	$ (5,124)	$ (1,636)
Net loss per share attributable to common stockholders:
Basic (in dollars per share)	$ 0.00	$ (0.01)	$ (0.12)	$ (0.04)
Diluted (in dollars per share)	$ 0.00	$ (0.01)	$ (0.12)	$ (0.04)
Weighted average shares used in computing net loss per share attributable to common stockholders:
Basic (in shares)	44,136	42,377	43,904	41,890
Diluted (in shares)	44,136	42,377	43,904	41,890