Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Operating Activities:
Net loss	$ (8,093)	$ (8,230)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:
Depreciation and amortization	6,555	6,365
Stock-based compensation	6,138	5,662
Noncash lease expense	599	485
Amortization of debt issuance costs	227	274
Provision for credit losses	26	163
Contingent consideration gain		(829)
Deferred taxes	(262)	(187)
Other	(458)	124
Change in operating assets and liabilities:
Accounts receivable and contract assets	(5,533)	(1,825)
Inventories	(566)	(2,790)
Prepaids and other	3,965	(961)
Accounts payable	185	(669)
Accrued liabilities	(3,249)	(2,474)
Income taxes	153	15,583
Deferred revenue	(3,097)	(1,427)
Net cash (used in) provided by operating activities	(3,410)	9,264
Investing Activities:
Purchases of property and equipment	(2,950)	(2,170)
Purchases of available-for-sale securities	(25,445)
Maturities of available-for-sale securities	16,000
Net cash used in investing activities	(12,395)	(2,170)
Financing Activities:
Payments of short-term borrowings		(10,000)
Proceeds from issuance of long-term debt		29,664
Payments of debt issuance costs		(614)
Issuance of common stock	663	803
Payments for taxes related to net share settlement of equity awards	(1,120)	(888)
Payments for acquisition of in-process research and development	(931)	(978)
Net cash (used in) provided by financing activities	(1,388)	17,987
Effect of exchange rate changes on cash and cash equivalents	75	500
Net change in cash and cash equivalents	(17,118)	25,581
Cash and Cash Equivalents:
Beginning of period	41,419	18,998
End of period	24,301	44,579
Supplemental Information:
Cash paid for income taxes	1,679	251
Cash paid for interest	2,288	$ 2,157
Noncash investing and financing activities:
Acquisition of property and equipment	58
Right-of-use assets obtained in exchange for operating lease liabilities	$ 845