Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Operating activities:
Net income (loss)	$ (9,680)	$ 1,226
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Stock-based compensation expense	5,927	3,945
Amortization of closing and earnout shares	355	1,232
Amortization of intangible assets	2,215	434
Depreciation and amortization	316	267
Amortization of investment premiums and other	(23)	31
Deferred taxes	3,541	0
Changes in assets and liabilities:
Accounts receivable	(267)	(1,436)
Other assets	(1,838)	138
Accounts payable	596	507
Accrued payroll and related taxes	746	92
Deferred revenue	1,565	389
Other liabilities	670	366
Net cash provided by operating activities	4,123	7,191
Investing activities:
Purchases of investments	(15,391)	(28,156)
Sales and maturities of investments	40,069	21,300
Acquisitions, net of cash acquired	(29,744)	0
Purchases of property and equipment	(3,176)	(360)
Net cash used in investing activities	(8,242)	(7,216)
Financing activities:
Proceeds from exercise of stock options, net	495	381
Net cash provided by financing activities	495	381
Foreign currency effect on cash and cash equivalents	(31)	(67)
Net increase (decrease) in cash and cash equivalents	(3,655)	289
Cash and cash equivalents at beginning of period	12,289	9,010
Cash and cash equivalents at end of period	8,634	9,299
Supplemental disclosures of cash flow information:
Cash paid for income taxes	128	105
Supplemental disclosures of non-cash investing and financing activities:
Unrealized holding loss on available-for-sale investments	$ (28)	$ (23)