Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ 5,865	$ (18,506)
Adjustments to reconcile net income (loss) to net cash flow from operating activities
Stock-based compensation	40,002	58,307
Depreciation and amortization	5,358	5,167
(Accretion) amortization of note premiums/discounts	(82)	329
Non-cash interest expense on liability related to the sale of future royalties	7,906	0
Changes in operating assets and liabilities:
Accounts receivable	(68,024)	8,938
Prepaid expenses and other current assets	20,309	(3,313)
Accounts payable	6,688	1,146
Accrued expenses	(27,279)	3,699
Deferred revenue	(99,135)	(54,926)
Operating lease liabilities	1,205	580
Net cash (used in) provided by operating activities	(107,187)	1,421
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property and equipment	(66,225)	(10,530)
Purchases of investments	(192,528)	(148,391)
Proceeds from maturities of investments	141,994	55,781
Net cash used in investing activities	(116,759)	(103,140)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from the exercises of stock options	1,096	3,731
Proceeds from the sale of future royalties	250,000	0
Net cash provided by financing activities	251,096	3,731
Net increase (decrease) in cash, cash equivalents and restricted cash	27,150	(97,988)
Effect of exchange rate on cash, cash equivalents and restricted cash	(196)	(38)
CASH, CASH EQUIVALENTS AND RESTRICTED CASH:
BEGINNING OF PERIOD	108,005	184,434
END OF PERIOD	134,959	86,408
Supplementary disclosures:
Interest paid	0	0
Income taxes (paid) refunded	$ 0	$ 0