Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Revenue
Total revenue	$ 38,442	$ 20,910
Operating expenses
Cost of revenue	9,991	5,343
Research and development	33,772	23,935
Sales and marketing	20,604	14,007
General and administrative	14,936	11,821
Amortization of intangible assets	419	424
Total operating expenses	79,722	55,530
Loss from operations	(41,280)	(34,620)
Interest and other income, net	638	2,894
Income tax benefit		323
Net loss	$ (40,642)	$ (31,403)
Net loss per share attributable to common shareholders, basic and diluted	$ (0.29)	$ (0.25)
Weighted-average shares used in computing net loss per share attributable to common shareholders, basic and diluted	138,967,754	126,058,389
Sequencing Revenue
Revenue
Total revenue	$ 15,174	$ 9,469
Development Revenue
Revenue
Total revenue	$ 23,268	$ 11,441