Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Operating Activities:
Net loss	$ (8,230)	$ (12,546)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	6,365	6,902
Stock-based compensation	5,662	5,198
Noncash lease expense	485	371
Amortization of debt issuance costs	274	34
Provision for credit losses	163	8
Contingent consideration (gain) expense	(829)	9
Deferred taxes	(187)	(2,996)
Other	124	214
Change in operating assets and liabilities:
Accounts receivable and contract assets	(1,825)	(847)
Inventories	(2,790)	(4,167)
Prepaids and other	(961)	(1,998)
Accounts payable	(669)	349
Accrued liabilities	(2,474)	(1,039)
Income taxes	15,583	(676)
Deferred revenue	(1,427)	(3,539)
Net cash provided by (used in) operating activities	9,264	(14,723)
Investing Activities:
Purchases of property and equipment	(2,170)	(2,798)
Maturities of available-for-sale securities		7,600
Net cash (used in) provided by investing activities	(2,170)	4,802
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	803	763
Payments for taxes related to net share settlement of equity awards	(888)	(936)
Payments for acquisition of in-process research and development	(978)	(500)
Net cash provided by (used in) financing activities	17,987	(673)
Effect of exchange rate changes on cash	500	(485)
Net change in cash and cash equivalents	25,581	(11,079)
Cash and Cash Equivalents:
Beginning of period	18,998	31,153
End of period	44,579	20,074
Supplemental Information:
Cash paid for income taxes	251	395
Cash paid for interest	$ 2,157	256
Noncash investing and financing activities:
Acquisition of property and equipment, net of refundable credits in other current assets and liabilities		90
Right-of-use assets obtained in exchange for new operating lease liabilities		$ 1,732