CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 42,184	$ 120,572
Short-term investments		29,716
Accounts receivable, net	3,840	3,799
Inventory	6,717	2,413
Prepaid expenses and other current assets	4,660	8,746
Total current assets	57,401	165,246
Property and equipment, net	4,882	3,843
Other assets	1,341	1,819
Total assets	63,624	170,908
Current liabilities:
Accounts payable	3,707	4,003
Current portion of notes payable	13,475	11,551
Current portion of revenue interest financing payable	3,163	2,211
Accrued expenses	14,159	22,859
Total current liabilities	34,504	40,624
Notes payable, net of deferred financing costs	41,713	61,423
Revenue interest financing payable, net of deferred financing costs	36,039	33,766
Contract liabilities, net	18,108	17,545
Other long-term liabilities		785
Total liabilities	130,364	154,143
Stockholders' (deficit) equity:
Common stock, $0.001 par value; 150,000,000 shares authorized, 55,192,929 issued and 55,185,622 outstanding at September 30, 2024 and 54,585,428 issued and 54,578,121 outstanding at December 31, 2023	55	55
Additional paid-in capital	603,853	588,656
Treasury stock at cost, 7,307 shares at September 30, 2024 and December 31, 2023
Accumulated other comprehensive loss		(20)
Accumulated deficit	(670,648)	(571,926)
Total stockholders' (deficit) equity	(66,740)	16,765
Total liabilities and stockholders' (deficit) equity	$ 63,624	$ 170,908