CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Operating activities:
Net loss	$ (3,907)	$ (6,896)
Adjustments to reconcile net loss to net cash provided by operating activities:
Stock-based compensation expense	5,023	3,947
Amortization of closing and earnout shares	0	355
Amortization of intangible assets	3,537	1,119
Depreciation and amortization	678	200
Amortization of investment premiums and other	(28)	(26)
Deferred taxes	(2,496)	4,417
Changes in assets and liabilities:
Accounts receivable	4,825	949
Other assets	(493)	(1,951)
Accounts payable	(435)	(367)
Accrued payroll and related taxes	(2,505)	66
Deferred revenue	3,250	1,156
Other liabilities	(829)	838
Net cash provided by operating activities	6,620	3,807
Investing activities:
Purchases of investments	(5,241)	(15,412)
Sales and maturities of investments	7,880	29,365
Acquisitions, net of cash acquired	0	(2,991)
Purchases of property and equipment	(694)	(1,742)
Net cash provided by investing activities	1,945	9,220
Financing activities:
Proceeds from the issuance of equity plan common stock	2,647	166
Payment for acquisition-related contingent consideration	(1,029)	0
Principal payments on other borrowings	(250)	(249)
Net cash provided by (used in) financing activities	1,368	(83)
Foreign currency effect on cash and cash equivalents	(216)	5
Net increase in cash and cash equivalents	9,717	12,949
Cash and cash equivalents at beginning of period	9,028	12,289
Cash and cash equivalents at end of period	18,745	25,238
Supplemental disclosures of cash flow information:
Cash paid for income taxes	296	85
Supplemental disclosures of non-cash investing and financing activities:
Unrealized holding gain (loss) on available-for-sale investments	$ 19	$ (71)