Revenue (Tables)

12 Months Ended

Dec. 31, 2021

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

The table below outlines revenue for our recurring subscription (software and phone services) and payment processing services, as well as for our onboarding services, and phone hardware (in thousands) for the years ended December 31, 2021, 2020 and 2019:

	Year Ended December 31,
	2021		2020		2019
Subscription and payment processing	$	108,841	$	74,182	$	42,838
Onboarding	3,687		3,095		745
Hardware (embedded lease)	3,343		2,619		2,163
Total revenue	$	115,871	$	79,896	$	45,746

Capitalized Contract Cost

The following table summarizes the activity of deferred contract acquisition costs (thousands):

	Year Ended December 31,
	2021		2020		2019
Beginning balance	$	13,386	$	10,578	$	5,792
Capitalization of contract costs	12,828		9,670		8,927
Amortization of deferred contract acquisition costs	(9,410)		(6,862)		(4,141)
Ending balance	$	16,804	$	13,386	$	10,578