CONDENSED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 30,058	$ 96,140
Short-term investments	97,521	27,769
Accounts receivable	9,109	7,733
Inventory	7,617	3,282
Prepaid commercial manufacturing	13,166	13,567
Prepaid expenses and other current assets	4,647	5,112
Total current assets	162,118	153,603
Inventory, non-current	40,295	25,064
Right-of-use assets	7,053	9,295
Property and equipment, net	1,064	1,223
Other assets	673	881
Total assets	211,203	190,066
Current liabilities:
Accounts payable	5,294	10,859
Accrued compensation and benefits	6,880	7,548
Current portion of long-term debt	27,052	26,711
Current portion of operating lease liability	4,105	3,894
Deferred revenue	5,959	4,211
Accrued expenses and other current liabilities	12,399	12,380
Total current liabilities	61,689	65,603
Operating lease liability, net of current portion	3,752	5,855
Deferred revenue, non-current	9,238	9,025
Deferred royalty obligation related to the sale of future royalties	13,191	11,254
Other liabilities, non-current	172	0
Total liabilities	88,042	91,737
Commitments and contingencies (Note 14)
Stockholders’ equity:
Preferred stock, $0.0001 par value; 5,000,000 shares authorized; no shares issued and outstanding as of June 30, 2023 and December 31, 2022, respectively.	0	0
Common stock, $0.0001 par value; 500,000,000 shares and 300,000,000 shares authorized; 217,862,921 and 198,575,016 shares issued and outstanding as of June 30, 2023 and December 31, 2022, respectively.	22	20
Additional paid-in capital	947,380	878,500
Accumulated deficit	(824,031)	(780,137)
Accumulated other comprehensive loss	(210)	(54)
Total stockholders’ equity	123,161	98,329
Total liabilities and stockholders’ equity	$ 211,203	$ 190,066
Common stock, shares authorized (in shares)	500,000,000	300,000,000