CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Operating activities:
Net income (loss)	$ 4,540	$ (5,511)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Stock-based compensation expense	8,817	7,318
Amortization of intangible assets	7,257	7,694
Amortization of costs capitalized to obtain revenue contracts	878	847
Depreciation and amortization	739	842
Bad debt expense	411	927
Amortization of investment premiums & other	(1,146)	(1,339)
Accretion and amortization on debt securities	4,224	3,975
Net changes in estimated fair value of acquisition-related contingent consideration	0	136
Deferred taxes	(5,423)	(1,859)
Changes in assets and liabilities, net of acquisitions:
Accounts receivable	(18,898)	(20,608)
Contract assets	5,649	6,147
Other assets	578	(5,055)
Accounts payable	(3,674)	1,424
Accrued payroll and related taxes	1,157	(1,058)
Income taxes payable	837	(4,086)
Deferred revenue	7,922	8,300
Other liabilities	440	(493)
Net cash provided by (used in) operating activities	14,308	(2,399)
Investing activities:
Purchases of investments	(21,973)	(26,813)
Maturities of investments	23,000	54,921
Purchases of property and equipment, net	(567)	(724)
Net cash provided by (used in) investing activities	460	27,384
Financing activities:
Payment of revolving credit line issuance costs	0	(290)
Proceeds from the issuance of equity plan common stock	261	1,042
Repurchases and retirements of common stock	(3,258)	0
Payment of acquisition-related contingent consideration	0	(4,641)
Proceeds from other borrowings	0	956
Principal payments on other borrowings	(96)	(82)
Net cash provided by (used in) financing activities	(3,093)	(3,015)
Foreign currency effect on cash and cash equivalents	(432)	56
Net increase in cash and cash equivalents	11,243	22,026
Cash and cash equivalents at beginning of period	93,456	58,913
Cash and cash equivalents at end of period	104,699	80,939
Supplemental disclosures of cash flow information:
Cash paid for interest	582	582
Cash paid for income taxes	4,952	8,509
Supplemental disclosures of non-cash investing and financing activities:
Acquisition-related shares issued	0	3,471
Unrealized holding gain (loss) on available for sale investments	$ (84)	$ 60