Condensed Consolidated Balance Sheets - USD ($)	Sep. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 81,543,000	$ 96,449,000
Restricted cash	1,234,000	1,542,000
Trade receivables, net	2,431,000	0
Marketable securities	395,420,000	290,610,000
Inventories	4,307,000	0
Prepaid expenses and other current assets	11,784,000	14,172,000
Total current assets	496,719,000	402,773,000
Property, plant, and equipment, net	1,939,000	2,261,000
Intangible assets, net	7,375,000	0
Operating lease right-of-use asset	2,803,000	3,040,000
Other assets	78,000	78,000
Total assets	508,914,000	408,152,000
Current liabilities:
Accounts payable	8,666,000	7,353,000
Accrued liabilities	27,797,000	25,540,000
Operating lease liability	639,000	433,000
Total current liabilities	37,102,000	33,326,000
Operating lease liability, noncurrent	4,285,000	4,774,000
Long-term debt, net	196,753,000	72,350,000
Other long-term liabilities	0	25,000
Total liabilities	238,140,000	110,475,000
Commitments and contingencies (Note 7)
Stockholders’ equity:
Preferred stock, $0.0001 par value; 10,000,000 shares authorized at September 30, 2022 and December 31, 2021; no shares issued and outstanding at September 30, 2022 and December 31, 2021;	0	0
Common stock, $0.0001 par value; 300,000,000 shares authorized at September 30, 2022 and December 31, 2021; 60,927,208 and 50,345,755 shares issued at September 30, 2022 and December 31, 2021, respectively; 60,908,641 and 50,255,614 shares outstanding at September 30, 2022 and December 31, 2021, respectively	6,000	5,000
Additional paid-in capital	920,109,000	706,233,000
Accumulated other comprehensive loss	(1,596,000)	(255,000)
Accumulated deficit	(647,745,000)	(408,306,000)
Total stockholders’ equity	270,774,000	297,677,000
Total liabilities and stockholders’ equity	$ 508,914,000	$ 408,152,000