Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Current assets
Cash and cash equivalents	$ 50,882	$ 85,807
Short-term investments	226,012	16,966
Accounts receivable	9,279	7,052
Tax credit receivable	83	333
Prepaid expenses and other current assets	4,498	1,742
Total current assets	290,754	111,900
Property and equipment, net	4,321	4,079
Other non-current assets	451	3,085
Total assets	295,526	119,064
Current liabilities
Accounts payable	2,023	1,250
Accrued liabilities (Note 5)	9,576	6,922
Total current liabilities	11,599	8,172
Other long-term liabilities (Note 5)	866	912
Total liabilities	12,465	9,084
Commitments and Contingencies (Note 13)
Stockholders’ equity (deficit)
Preferred stock, $0.0001 par value; 10,000,000 shares and 0 shares authorized at December 31, 2020 and 2019, respectively; 0 shares issued and outstanding at December 31, 2020 and 2019;	0	0
Common stock, $0.0001 par value; 300,000,000 and 181,000,000 shares authorized at December 31, 2020 and 2019; and 35,552,795 and 1,846,024 shares issued and outstanding at December 31, 2020 and 2019, respectively;	3	1
Additional paid-in capital	400,918	0
Accumulated deficit	(117,828)	(76,295)
Accumulated other comprehensive loss	(32)	(1)
Total stockholders’ equity (deficit)	283,061	(76,295)
Total liabilities, redeemable convertible preferred stock and stockholders’ equity (deficit)	295,526	119,064
Series A Redeemable Convertible Preferred Stock
Redeemable convertible preferred stock
Redeemable convertible preferred stock value	0	62,468
Series B Redeemable Convertible Preferred Stock
Redeemable convertible preferred stock
Redeemable convertible preferred stock value	0	75,860
Series C Redeemable Convertible Preferred Stock
Redeemable convertible preferred stock
Redeemable convertible preferred stock value	$ 0	$ 47,947