Condensed Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Cash flows from operating activities
Net loss	$ (43,008)	$ (41,824)
Adjustments to reconcile net loss to net cash used in operating activities
Depreciation and amortization	8,171	5,292
Non-cash lease expense	248	254
Stock-based compensation	11,020	(2,325)
Change in fair value of acquisition consideration	0	(4,135)
Other non cash adjustments	64	287
Changes in assets and liabilities:
Accounts receivable, net	8,058	(4,098)
Inventories	1,201	(5,281)
Prepaid expenses and other current assets	(1,116)	(1,177)
Other non-current assets	300	499
Accounts payable	(4,205)	3,282
Accrued expenses	2,900	(1,254)
Accrued compensation	(5,078)	(3,716)
Other liabilities	(1,528)	126
Net cash used in operating activities	(22,973)	(54,070)
Cash flows from investing activities
Purchases of property and equipment	(1,506)	(11,824)
Purchases of investments	(18,329)	(22,647)
Proceeds from maturity of investments	24,000	27,500
Net cash provided by (used in) investing activities	4,165	(6,971)
Cash flows from financing activities
Proceeds from exercise of stock options	951	604
Repurchases of common stock for income tax withholding	(2,424)	(999)
Net cash used in financing activities	(1,473)	(395)
Effect of exchange rates on cash, cash equivalents and restricted cash	116	268
Net decrease in cash, cash equivalents, and restricted cash	(20,165)	(61,168)
Cash, cash equivalents, and restricted cash at beginning of period	289,281	380,259
Cash, cash equivalents, and restricted cash at end of period	269,116	319,091
Supplemental disclosure of cash flow information
Income taxes paid, net of refunds	40	52
Non-cash investing and financing activities
Property and equipment additions included in accounts payable and accrued expenses	$ 487	$ 4,520