CONSOLIDATED STATEMENTS OF OPERATIONS AND OTHER COMPREHENSIVE LOSS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2019	Mar. 31, 2018
Total revenue	$ 19,983	$ 14,277	$ 37,666	$ 26,413
Operating costs and expenses
Selling and marketing	6,752	5,348	13,960	10,123
Research and development	5,290	3,501	9,778	6,781
General and administrative	4,827	3,773	10,669	7,290
Acquisition-related costs and expenses	1,773	1,203	3,600	2,462
Total operating costs and expenses	21,633	15,542	43,876	29,990
Operating loss	(1,650)	(1,265)	(6,210)	(3,577)
Other income, net	140	204	154	394
Loss before income taxes	(1,510)	(1,061)	(6,056)	(3,183)
Income tax benefit (provision)	794	(99)	2,149	(3,713)
Net loss	$ (716)	$ (1,160)	$ (3,907)	$ (6,896)
Net loss per share - basic and diluted (in dollars per share)	$ (0.02)	$ (0.03)	$ (0.10)	$ (0.20)
Shares used in calculating net loss per share - basic and diluted (in shares)	38,926	34,976	38,583	34,587
Components of other comprehensive loss:
Foreign currency translation adjustment	$ (1,203)	$ 403	$ (2,027)	$ 592
Unrealized gain (loss) on investments	6	(12)	19	(71)
Other comprehensive loss	(1,913)	(769)	(5,915)	(6,375)
Software and hardware
Total revenue	10,585	8,773	20,580	15,979
Operating costs and expenses
Cost of revenue	907	485	1,752	1,204
Service and other
Total revenue	9,398	5,504	17,086	10,434
Operating costs and expenses
Cost of revenue	$ 2,084	$ 1,232	$ 4,117	$ 2,130