CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Income Statement [Abstract]
Revenue	$ 43,608	$ 28,348
Cost of revenue	12,300	10,056
Gross profit	31,308	18,292
Operating expenses:
Technology and development	3,738	2,919
Sales and marketing	12,789	9,995
General and administration	8,139	4,349
Total operating expenses	24,666	17,263
Operating income	6,642	1,029
Interest income	62	260
Other income (expense), net	137	14
Total other income (expense), net	199	274
Income before provision for income taxes	6,841	1,303
Provision for income taxes	1,923	399
Net income	$ 4,918	$ 904
Net income per share attributable to common stockholders:
Basic (in usd per share)	$ 0.10	$ 0
Diluted (in usd per share)	$ 90.00	$ 0
Weighted-average shares used to compute net income per share attributable to common stockholders:
Basic (in shares)	49,109,237	10,092,152
Diluted (in shares)	56,784,558	13,473,917