Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Current assets
Cash and cash equivalents	$ 257,254	$ 54,201
Accounts receivable	1,079	1,086
Prepaid expenses and other current assets	7,050	2,169
Total current assets	265,383	57,456
Equipment, net	1,447	447
Deferred financing costs		1,730
Other assets	971
Total assets	267,801	59,633
Current liabilities
Accounts payable	1,153	958
Accrued compensation	5,378	2,722
Accrued expenses and other current liabilities	6,050	2,894
Amounts due to Nestlé, current—related party		5,675
Payable to PLI	193	1,130
Deferred revenue	3,668	1,876
Total current liabilities	16,442	15,255
Long-term debt, net		7,399
Deferred revenue, non-current	16,204	4,597
Preferred stock purchase right liability		3,900
Total liabilities	32,646	31,151
Commitments and contingencies (Note 9)
Convertible preferred stock—$0.0001 par value; no shares and 254,983,985 shares authorized at December 31, 2021 and 2020, respectively; no shares and 160,864,434 shares issued and outstanding at December 31, 2021 and 2020, respectively; liquidation preferences of $0 and $130,487 at December 31, 2021 and 2020, respectively.		126,023
Stockholders’ equity (deficit):
Preferred stock—$0.0001 par value; 40,000,000 shares and no shares authorized at December 31, 2021 and 2020, respectively; no shares issued and outstanding at December 31, 2021 and 2020.
Common stock—$0.0001 par value; 400,000,000 shares and 325,000,000 shares authorized as of December 31, 2021 and 2020, respectively; 38,960,716 shares and 1,768,325 shares issued at December 31, 2021 and 2020, respectively; 38,943,110 shares and 1,713,622 shares outstanding at December 31, 2021 and 2020, respectively.	4
Additional paid-in capital	424,492	1,605
Accumulated deficit	(189,341)	(99,146)
Total stockholders’ equity (deficit)	235,155	(97,541)
Total liabilities, convertible preferred stock and stockholders’ equity (deficit)	$ 267,801	$ 59,633