Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Revenue	$ 94,558	$ 80,420	$ 65,715
Costs and operating expenses:
Network access	37,082	31,961	26,430
Network operations	15,849	13,508	11,667
Development and technology	9,433	8,475	7,374
Selling and marketing	7,409	5,985	5,901
General and administrative	11,953	10,645	8,214
Amortization of intangible assets	1,655	2,491	3,848
Total costs and operating expenses	83,381	73,065	63,434
Income from operations	11,177	7,355	2,281
Interest and other income (expense), net	(176)	(137)	(154)
Income before income taxes	11,001	7,218	2,127
Income tax expense (benefit)	4,064	(8,903)	985
Net income	6,937	16,121	1,142
Less: net income attributable to non-controlling interests	642	547	394
Net income attributable to Boingo Wireless, Inc.	6,295	15,574	748
Accretion of convertible preferred stock	(1,633)	(5,020)	(5,259)
Net income (loss) attributable to common stockholders	$ 4,662	$ 10,554	$ (4,511)
Net income (loss) per share attributable to common stockholders:
Basic (in dollars per share)	$ 0.19	$ 1.81	$ (0.78)
Diluted (in dollars per share)	$ 0.17	$ 0.49	$ (0.78)
Weighted average shares used in computing net income (loss) per share attributable to common stockholders:
Basic (in shares)	24,014	5,834	5,801
Diluted (in shares)	27,481	31,899	5,801