Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Revenue
Total revenue	$ 33,666	$ 26,421	$ 95,603	$ 74,563
Cost of revenue
Total cost of revenue	8,774	7,229	25,302	19,288
Gross profit	24,892	19,192	70,301	55,275
Operating expenses
Research and development	7,693	6,361	22,686	19,137
Sales and marketing	14,774	11,894	42,852	34,074
General and administrative	9,346	6,056	30,970	23,417
Total operating expenses	31,813	24,311	96,508	76,628
Loss from operations	(6,921)	(5,119)	(26,207)	(21,353)
Interest expense	(94)	(70)	(285)	(199)
Interest income	50	61	563	256
Other income	19	108	222	388
Loss before income taxes	(6,946)	(5,020)	(25,707)	(20,908)
Income tax expense	51	19	72	49
Net loss	(6,997)	(5,039)	(25,779)	(20,957)
Comprehensive loss	$ (6,997)	$ (5,039)	$ (25,779)	$ (20,957)
Net loss per share attributable to common shareholders, basic and diluted (in dollars per share)	$ (0.13)	$ (0.30)	$ (0.51)	$ (1.25)
Weighted-average shares outstanding used to compute net loss per share, basic and diluted (in shares)	51,910,517	16,948,809	50,777,222	16,829,622
Subscription
Revenue
Total revenue	$ 33,370	$ 26,284	$ 94,889	$ 74,285
Cost of revenue
Total cost of revenue	8,588	7,144	24,852	19,113
Professional services and other
Revenue
Total revenue	296	137	714	278
Cost of revenue
Total cost of revenue	$ 186	$ 85	$ 450	$ 175