Equity Incentive Plans - Stock-Based Compensation Expense (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	$ 464	$ 340	$ 2,388	$ 521
Sales and marketing
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	26	23	60	50
Product development
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	19	71	37	112
General and administrative
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	$ 419	$ 246	$ 2,291	$ 359