CONSOLIDATED STATEMENTS OF OPERATIONS AND OTHER COMPREHENSIVE INCOME (LOSS) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Total revenue	$ 23,192	$ 19,983	$ 45,259	$ 37,666
Operating costs and expenses
Selling and marketing	7,448	6,752	14,778	13,960
Research and development	4,819	5,290	9,429	9,778
General and administrative	5,210	4,827	10,498	10,669
Acquisition-related costs and expenses	1,579	1,773	3,187	3,600
Restructuring costs	(114)	0	(114)	0
Total operating costs and expenses	22,128	21,633	43,897	43,876
Operating income (loss)	1,064	(1,650)	1,362	(6,210)
Other income, net	32	140	335	154
Income (loss) before income taxes	1,096	(1,510)	1,697	(6,056)
Income tax benefit (provision)	(188)	794	(229)	2,149
Net income (loss)	$ 908	$ (716)	$ 1,468	$ (3,907)
Net income (loss) per share – basic (in dollars per share)	$ 0.02	$ (0.02)	$ 0.04	$ (0.10)
Net income (loss) per share - diluted (in dollars per share)	$ 0.02	$ (0.02)	$ 0.03	$ (0.10)
Shares used in calculating net income (loss) per share – basic (in shares)	41,022	38,926	40,817	38,583
Shares used in calculating net income (loss) per share – diluted (in shares)	42,028	38,926	42,030	38,583
Other comprehensive income (loss)
Net income (loss)	$ 908	$ (716)	$ 1,468	$ (3,907)
Foreign currency translation adjustment	(1,064)	(1,203)	189	(2,027)
Unrealized gain on investments	56	6	58	19
Other comprehensive income (loss)	(100)	(1,913)	1,715	(5,915)
Software and hardware
Total revenue	11,453	10,585	22,968	20,580
Operating costs and expenses
Cost of revenue	864	907	1,635	1,752
Services and other
Total revenue	11,739	9,398	22,291	17,086
Operating costs and expenses
Cost of revenue	$ 2,322	$ 2,084	$ 4,484	$ 4,117