Revenue from Contracts with Customers - Disaggregation of Revenue (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Disaggregation of Revenue [Line Items]
Revenue	$ 167,729	$ 145,072	$ 129,959
Retailers
Disaggregation of Revenue [Line Items]
Revenue	$ 89,773	$ 87,704	$ 84,316
Revenue, percent of total	53.50%	60.50%	64.90%
Brands
Disaggregation of Revenue [Line Items]
Revenue	$ 66,622	$ 47,999	$ 38,470
Revenue, percent of total	39.70%	33.10%	29.60%
Other
Disaggregation of Revenue [Line Items]
Revenue	$ 11,334	$ 9,369	$ 7,173
Revenue, percent of total	6.80%	6.50%	5.50%