Acquisitions (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended		0 Months Ended											6 Months Ended	0 Months Ended								3 Months Ended	6 Months Ended
	Jun. 30, 2014	Dec. 31, 2013	Jul. 29, 2014 AWG	Oct. 31, 2013 AWG item	Oct. 31, 2013 AWG Existing contracts and relationships	Oct. 31, 2013 AWG Technology	Oct. 31, 2013 AWG Trademark and tradename	Oct. 31, 2013 AWG Non-compete agreement	Oct. 31, 2013 AWG Identifiable intangible assets	Oct. 31, 2013 AWG Identifiable intangible assets Minimum	Oct. 31, 2013 AWG Identifiable intangible assets Maximum	Oct. 31, 2013 AWG Contingent consideration	Feb. 22, 2013 Endeka	Jun. 30, 2014 Endeka	Feb. 22, 2013 Endeka Existing contracts and relationships	Feb. 22, 2013 Endeka Technology	Feb. 22, 2013 Endeka Trademark and tradename	Feb. 22, 2013 Endeka Non-compete agreement	Feb. 22, 2013 Endeka Other intangibles	Feb. 22, 2013 Endeka Identifiable intangible assets Minimum	Feb. 22, 2013 Endeka Identifiable intangible assets Maximum	Feb. 22, 2013 Endeka Contingent consideration item	Jun. 30, 2013 AWG and Endeka	Jun. 30, 2013 AWG and Endeka
Acquisition
Number of U.S. airports where the acquired entity operates public Wi-Fi				17
Amount paid for settlement of the net equity adjustments			$ 147
Number of components of contingent consideration																						2
Contingent consideration paid to AWG shareholders			1,000
Discount rate (as a percent)										12.00%	14.00%	3.10%								40.00%	50.00%	50.50%
Royalty rates (as a percent)									0.50%											0.50%	1.50%
Estimated Fair Value
Cash paid				14,800									4,894
Net equity adjustments				147
Holdback consideration				1,600									275
Contingent consideration	(1,584)	(980)		980									1,329
Total consideration				17,527									6,498
Recognized amounts of identifiable assets acquired and liabilities assumed:
Cash				215									20
Restricted cash				515
Accounts receivable				988
Other current assets				609									44
Property and equipment				2,297									4,617
Other assets													12
Accounts payable				(563)									(992)
Accrued expenses				(515)
Other current liabilities				(134)									(211)
Capital lease obligations				(932)
Other non-current liabilities				(130)
Notes payable and financed liabilities													(6,476)
Deferred tax liabilities				(3,561)									(2,637)
Net tangible liabilities acquired				(1,211)									(5,623)
Intangibles					4,700	270	120	3,590							4,770	930	300	250	95
Goodwill	42,578			10,058									5,776
Total purchase price				17,527									6,498
Estimated Useful Life					6 years 8 months 12 days	6 years	3 years	5 years							10 years	6 years	10 years	2 years	10 years
Holdback consideration paid	275													275
Pro forma results
Revenue																							28,694	54,191
Net loss																							(341)	(2,463)
Changes in goodwill
Balance at the beginning of the period	42,431
Additions	147
Balance at the end of the period	$ 42,578			$ 10,058									$ 5,776