Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Condensed Consolidated Statements of Operations
Revenue	$ 40,796	$ 37,186	$ 114,370	$ 100,855
Costs and operating expenses:
Network access	17,982	17,517	49,575	47,151
Network operations	10,698	8,219	31,566	24,160
Development and technology	5,394	5,001	16,014	13,978
Selling and marketing	4,553	4,793	14,103	13,990
General and administrative	6,701	5,472	22,553	16,994
Amortization of intangible assets	855	943	2,582	2,709
Total costs and operating expenses	46,183	41,945	136,393	118,982
Loss from operations	(5,387)	(4,759)	(22,023)	(18,127)
Interest and other expense, net	(117)	(49)	(299)	(50)
Loss before income taxes	(5,504)	(4,808)	(22,322)	(18,177)
Income tax expense	95	115	457	401
Net loss	(5,599)	(4,923)	(22,779)	(18,578)
Net income (loss) attributable to non-controlling interests	110	(104)	180	60
Net loss attributable to common stockholders	$ (5,709)	$ (4,819)	$ (22,959)	$ (18,638)
Net loss per share attributable to common stockholders:
Basic (in dollars per share)	$ (0.15)	$ (0.13)	$ (0.61)	$ (0.51)
Diluted (in dollars per share)	$ (0.15)	$ (0.13)	$ (0.61)	$ (0.51)
Weighted average shares used in computing net loss per share attributable to common stockholders:
Basic (in shares)	38,189	37,041	37,897	36,722
Diluted (in shares)	38,189	37,041	37,897	36,722