Property and Equipment, Net

3 Months Ended

Mar. 31, 2017

Property, Plant and Equipment [Abstract]

The following summarizes our property and equipment (in thousands):



	As of				As of
	March 31,			December 31,
	2017				2016
Computer hardware	$	4,674			$	4,474
Furniture and equipment	2,448				2,448
Internal-use software development costs	27,237				21,385
Leasehold improvements	8,117				8,108
Total property and equipment	42,476				36,415
Accumulated depreciation and amortization	(7,017		)		(5,236		)
Total property and equipment, net	$	35,459			$	31,179

The Company capitalized $5.8 million and $3.4 million of internal-use software development costs for the three months ended March 31, 2017 and 2016, respectively. The net book value of capitalized internal-use software development costs was $25.0 million and $19.9 million as of March 31, 2017, and December 31, 2016, respectively.

Depreciation expense related to property and equipment was $1.8 million and $0.7 million for the three months ended March 31, 2017 and 2016, respectively, of which amortization expense related to capitalized internal-use software development costs was $0.7 million and $0.2 million for the three months ended March 31, 2017 and 2016, respectively.