CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Operating activities:
Net income (loss)	$ 1,468	$ (3,907)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Stock-based compensation expense	4,611	5,023
Amortization of intangible assets	3,187	3,537
Depreciation and amortization	749	678
Amortization of investment premiums and other	(39)	(28)
Deferred taxes	474	(2,496)
Changes in assets and liabilities:
Accounts receivable	1,240	4,825
Contract assets	(3,570)	(348)
Other assets	242	(145)
Accounts payable	(635)	(435)
Accrued payroll and related taxes	(849)	(2,505)
Deferred revenue	3,623	3,250
Restructuring accrual	(1,208)	0
Other liabilities	(924)	(829)
Net cash provided by operating activities	8,369	6,620
Investing activities:
Purchases of investments	(19,113)	(5,241)
Sales and maturities of investments	11,700	7,880
Purchases of property and equipment	(422)	(694)
Net cash provided by (used in) investing activities	(7,835)	1,945
Financing activities:
Proceeds from the issuance of equity plan common stock	1,251	2,647
Proceeds from the issuance of equity plan common stock	(1,002)	0
Payment of acquisition-related contingent consideration	(478)	(1,029)
Principal payments on other borrowings	(96)	(250)
Net cash provided by (used in) financing activities	(325)	1,368
Foreign currency effect on cash and cash equivalents	(29)	(216)
Net increase in cash and cash equivalents	180	9,717
Cash and cash equivalents at beginning of period	16,748	9,028
Cash and cash equivalents at end of period	16,928	18,745
Supplemental disclosures of cash flow information:
Cash paid for income taxes	0	296
Supplemental disclosures of non-cash investing and financing activities:
Unrealized holding gain on available for sale investments	$ 58	$ 19