Condensed Consolidated Balance Sheets (unaudited) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 84,960	$ 10,607
Short-term marketable debt securities	23,160	51,793
Prepaid expenses and other current assets	9,291	1,786
Total current assets	117,411	64,186
Property and equipment, net	2,043	2,121
Goodwill	20,739
In-process research and development	3,490
Restricted cash	4,527	4,282
Long-term marketable debt securities		10,588
Other non-current assets	2,187	410
Total assets	150,397	81,587
Current liabilities:
Accounts payable	3,838	1,052
Contract liabilities — related party, current	19,390	10,993
Accrued and other current liabilities	6,849	2,820
Total current liabilities	30,077	14,865
Contract liabilities — related party, net of current portion		10,890
Deferred rent, net of current portion	102	234
Redeemable convertible preferred stock warrant liability		1,881
Contingent consideration liability	2,880
Deferred tax liability	367
Other liabilities	41
Total liabilities	33,467	27,870
Commitments and contingencies (Note 12)
Stockholders’ equity:
Preferred stock, value
Common stock, $0.0001 par value, 150,000,000 and 140,200,938 shares authorized as of September 30, 2020 and December 31, 2019, respectively; 19,589,637 and 2,155,578 shares issued and outstanding as of September 30, 2020 and December 31, 2019, respectively	1
Additional paid-in capital	214,213	9,258
Accumulated deficit	(97,367)	(69,647)
Accumulated other comprehensive income	83	23
Total stockholders’ equity (deficit)	116,930	(60,366)
Total liabilities, redeemable convertible preferred stock, and stockholders’ equity (deficit)	$ 150,397	81,587
Redeemable Convertible Preferred Stock
Stockholders’ equity:
Preferred stock, value		$ 114,083