7. Property and equipment

The following is a summary of property and equipment, at cost less accumulated depreciation and amortization:

	December 31,
	2015			2014
Leasehold improvements	$	243,743		$	152,627
Construction in progress		57,692			20,104
Software		24,349			17,827
Computer equipment		10,366			7,909
Furniture, fixtures and office equipment		1,738			297

Total property and equipment		337,888			198,764
Less: accumulated depreciation and amortization		(123,388	)		(86,992	)

Total property and equipment, net	$	214,500		$	111,772

Included in property and equipment at December 31, 2015 and 2014 was equipment acquired under capital leases totaling $5,080 and $1,209, respectively, and related accumulated depreciation and amortization of $932 and $300, respectively.

Depreciation and amortization expense, which includes depreciation and amortization for property and equipment under capital leases, is allocated as follows on the accompanying consolidated statements of operations:

	For the Years Ended December 31,
	2015		2014		2013
Network access	$	22,666	$	18,074	$	12,651
Network operations		9,058		5,662		4,091
Development and technology		5,441		3,381		1,992
General and administrative		1,128		329		206

Total depreciation and amortization of property and equipment	$	38,293	$	27,446	$	18,940

During the year ended December 31, 2015, the company recognized $215 of impairment losses primarily related to build-out projects that were abandoned.

During the year ended December 31, 2014, the Company recognized $406 of impairment losses related to a change in the use of certain software developed for internal use that indicated that the carrying value of those assets will not be recoverable, and $494 of net impairment losses related to a venue termination agreement that resulted in the abandonment of our Wi-Fi network assets and the release of the corresponding capital lease obligations associated with those assets. The impairment charges for internal use software and abandoned Wi-Fi network assets are included within development and technology expenses and general and administrative expenses, respectively, in the accompanying consolidated statements of operations.