Consolidated Statements of Operations and Other Comprehensive Income (Loss) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Revenue
Software and hardware	$ 10,458	$ 7,464	$ 26,437	$ 21,244
SaaS, maintenance, and consulting	5,651	4,334	16,085	11,242
Total revenue	16,109	11,798	42,522	32,486
Operating costs and expenses
Cost of revenue—software and hardware	1,023	404	2,227	772
Cost of revenue—SaaS, maintenance, and consulting	1,655	778	3,785	2,131
Selling and marketing	5,740	3,487	15,863	11,029
Research and development	4,161	2,652	10,942	7,504
General and administrative	3,239	3,363	10,529	8,348
Acquisition-related costs and expenses	3,154	630	5,616	1,666
Total operating costs and expenses	18,972	11,314	48,962	31,450
Operating income (loss)	(2,863)	484	(6,440)	1,036
Other income (expense), net	(1,351)	149	(957)	281
Income (loss) before income taxes	(4,214)	633	(7,397)	1,317
Income tax benefit (provision)	1,430	(17)	(2,283)	(91)
Net income (loss)	$ (2,784)	$ 616	$ (9,680)	$ 1,226
Net income (loss) per share – basic (in dollars per share)	$ (0.08)	$ 0.02	$ (0.28)	$ 0.04
Net income (loss) per share - diluted (in dollars per share)	$ (0.08)	$ 0.02	$ (0.28)	$ 0.03
Shares used in calculating net income (loss) per share – basic (in shares)	36,190	33,024	35,122	32,732
Shares used in calculating net income (loss) per share – diluted (in shares)	36,190	35,610	35,122	35,033
Other comprehensive income (loss)
Net income (loss)	$ (2,784)	$ 616	$ (9,680)	$ 1,226
Foreign currency translation adjustment	(942)	318	(350)	22
Unrealized gain (loss) on investments	43	(5)	(28)	(23)
Other comprehensive income (loss)	$ (3,683)	$ 929	$ (10,058)	$ 1,225