Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2023	Sep. 30, 2022
Current assets:
Cash and cash equivalents	$ 95,177	$ 43,994
Short-term marketable securities	291,408	205,238
Accounts receivable	18,892	20,318
Prepaid expenses and other current assets	17,071	13,445
Income tax receivable	25,917	28,718
Total current assets	448,465	311,713
Long-term marketable securities	5,924	29,285
Property and equipment, net	12,014	6,173
Operating lease, right-of-use assets	23,968	23,575
Restricted cash	3,968	3,968
Other long-term assets	830	696
Total assets	495,169	375,410
Current liabilities:
Accounts payable	7,932	6,000
Accrued expenses and other current liabilities	18,196	20,936
Liability related to the sale of future royalties	36,693	0
Operating lease liabilities	5,368	2,891
Total current liabilities	68,189	29,827
Liability related to the sale of future royalties, net of current portion	164,979	0
Operating lease liabilities, net of current portion	22,333	22,372
Series 1 nonconvertible preferred stock	1,423	1,423
Other long-term liabilities	426	454
Total liabilities	257,350	54,076
Commitments and contingencies (Note 11)
Stockholders' equity:
Common stock; $0.01 par value per share, 100,000 shares authorized; 21,056 and 20,791 shares issued and outstanding at June 30, 2023 and September 30, 2022, respectively	210	208
Additional paid-in capital	418,001	398,029
Accumulated other comprehensive loss	(1,504)	(3,724)
Accumulated deficit	(178,888)	(73,179)
Total stockholders' equity	237,819	321,334
Total liabilities and stockholders' equity	$ 495,169	$ 375,410