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Significant Accounting Policies - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2022 USD ($) Customer	Dec. 31, 2021 USD ($) Customer	Dec. 31, 2020 USD ($)
Revenue, Major Customer [Line Items]
Foreign currency gains (losses)	$ (653,000)	$ (336,000)	$ 181,000
Maturity period of cash and cash equivalents	less than three months
Available-for-sale securities, failed auction, value	$ 3,000,000
Number of customers accounted for trade account receivable \| Customer	1	1
Cost of advertising	$ 3,786,000	$ 2,994,000	$ 2,637,000
Percentage likelihood of tax benefit settlement	50.00%
Capitalized computer software, gross	$ 3,202,000
Accounting Standards Update 2014-09 [Member]
Revenue, Major Customer [Line Items]
Deferred revenue current	$ 5,328,000	$ 4,087,000
Customer One [Member]
Revenue, Major Customer [Line Items]
Percentage of trade account receivable	15.40%	10.00%
Maximum [Member]
Revenue, Major Customer [Line Items]
Estimated useful life of intangible assets	20 years
Customer Payments Period	60 days
Minimum [Member]
Revenue, Major Customer [Line Items]
Customer Payments Period	30 days