APPFOLIO INC - 10-Q filing on 2018-04-30

Internal-Use Software Development Costs

3 Months Ended

Mar. 31, 2018

Internal-use software development costs were as follows (in thousands):



	March 31, 2018			December 31, 2017
Internal use software development costs, gross	$	47,435		$	44,626
Less: Accumulated amortization	(29,371		)	(27,017		)
Internal use software development costs, net	$	18,064		$	17,609

Capitalized software development costs were $3.0 million and $2.9 million for the three months ended March 31, 2018 and 2017, respectively. Amortization expense with respect to software development costs totaled $2.6 million and $2.0 million for the three months ended March 31, 2018 and 2017, respectively.

Future amortization expense with respect to capitalized software development costs as of March 31, 2018, is estimated as follows (in thousands):



Years Ending December 31,
2018	$	7,492
2019	7,075
2020	3,233
2021	264
Total amortization expense	$	18,064