Revenue from Contracts with Customers (Tables)

12 Months Ended

Dec. 31, 2021

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

The following table summarizes revenue disaggregation by customer type for the years ended December 31, 2021, 2020 and 2019 (in thousands):

	2021		Percentage of Total		2020		Percentage of Total		2019		Percentage of Total
Retailers	89,773		53.5	%	87,704		60.5	%	84,316		64.9	%
Brands	66,622		39.7	%	47,999		33.1	%	38,470		29.6	%
Other	11,334		6.8	%	9,369		6.5	%	7,173		5.5	%
	$	167,729			$	145,072			$	129,959

Deferred Revenue

The following table summarizes deferred revenue activity for the year ended December 31, 2021 (in thousands):

	Balance, beginning of period		Net additions	Revenue recognized from deferred revenue	Balance, end of period
Deferred revenue	$	23,301	138,931	(131,364)	$	30,868

Deferred Contract Costs

The following table summarizes deferred contract cost activity for the year ended December 31, 2021 (in thousands):

	Balance, beginning of period		Additions	Amortized costs (1)	Balance, end of period
Deferred contract costs	$	21,333	14,776	(9,150)	$	26,959

(1) Includes contract costs amortized to sales and marketing expense during the period and the impact from foreign currency exchange rate fluctuations.