Note 12 - Revenues and Other Related Items - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Revenues	$ 3,445	$ 2,632	$ 9,155	$ 8,202
Service [Member]
Revenues	821	713	2,543	2,708
Subscription and Circulation [Member]
Revenues	2,330	1,591	5,713	4,498
Perpetual Licenses [Member]
Revenues		5		13
Maintenance [Member]
Revenues	93	92	268	259
Hosting [Member]
Revenues	$ 201	$ 231	$ 631	$ 724