Condensed Consolidated Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Income Statement [Abstract]
Revenue	$ 109,220	$ 110,681
Cost and operating expenses:
Cost of revenue	5,770	5,984
Sales and marketing	90,237	96,150
Research and development	7,927	8,196
General and administrative	7,830	6,941
Acquisition-related costs	(113)	(892)
Total cost and operating expenses	111,651	116,379
Loss from operations	(2,431)	(5,698)
Other income (expense):
Interest income	187	8
Other income (expense), net	1	(25)
Total other income (expense), net	188	(17)
Loss before income taxes	(2,243)	(5,715)
Income tax expense	(286)
Net loss	$ (2,529)	$ (5,715)
Net loss per share, basic	$ (0.08)	$ (0.19)
Net loss per share, diluted	$ (0.08)	$ (0.19)
Weighted average common shares outstanding, basic	32,892	30,529
Weighted average common shares outstanding, diluted	32,892	30,529
Net loss	$ (2,529)	$ (5,715)
Other comprehensive income:
Foreign currency translation adjustment	13	10
Comprehensive loss	$ (2,516)	$ (5,705)