Note 8 - Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	12 Months Ended
Sep. 30, 2023	Sep. 30, 2022
Revenues	$ 22,109	$ 27,466
Hardware [Member]
Revenues	3,657	5,417
Software [Member]
Revenues	2,097	2,481
Shipping [Member]
Revenues	345	237
Product and Other [Member]
Revenues	6,099	8,135
Service Support [Member]
Revenues	4,988	6,410
Service Hosting [Member]
Revenues	6,581	7,018
Service Events [Member]
Revenues	3,555	4,464
Service Installs and Training [Member]
Revenues	886	1,439
Service [Member]
Revenues	16,010	19,331
Intersegment Eliminations [Member]
Revenues	(1,771)	(2,340)
Intersegment Eliminations [Member] \| Hardware [Member]
Revenues	(489)	(526)
Intersegment Eliminations [Member] \| Software [Member]
Revenues	(311)	(387)
Intersegment Eliminations [Member] \| Shipping [Member]
Revenues	0	0
Intersegment Eliminations [Member] \| Product and Other [Member]
Revenues	(800)	(913)
Intersegment Eliminations [Member] \| Service Support [Member]
Revenues	(594)	(699)
Intersegment Eliminations [Member] \| Service Hosting [Member]
Revenues	(223)	(394)
Intersegment Eliminations [Member] \| Service Events [Member]
Revenues	0	0
Intersegment Eliminations [Member] \| Service Installs and Training [Member]
Revenues	(154)	(334)
Intersegment Eliminations [Member] \| Service [Member]
Revenues	(971)	(1,427)
SOFO [Member] \| Operating Segments [Member]
Revenues	18,252	21,781
SOFO [Member] \| Operating Segments [Member] \| Hardware [Member]
Revenues	3,363	5,238
SOFO [Member] \| Operating Segments [Member] \| Software [Member]
Revenues	1,637	2,062
SOFO [Member] \| Operating Segments [Member] \| Shipping [Member]
Revenues	320	227
SOFO [Member] \| Operating Segments [Member] \| Product and Other [Member]
Revenues	5,320	7,528
SOFO [Member] \| Operating Segments [Member] \| Service Support [Member]
Revenues	4,224	4,948
SOFO [Member] \| Operating Segments [Member] \| Service Hosting [Member]
Revenues	5,312	5,446
SOFO [Member] \| Operating Segments [Member] \| Service Events [Member]
Revenues	2,612	3,146
SOFO [Member] \| Operating Segments [Member] \| Service Installs and Training [Member]
Revenues	784	714
SOFO [Member] \| Operating Segments [Member] \| Service [Member]
Revenues	12,932	14,253
SFI [Member] \| Operating Segments [Member]
Revenues	2,053	3,155
SFI [Member] \| Operating Segments [Member] \| Hardware [Member]
Revenues	259	409
SFI [Member] \| Operating Segments [Member] \| Software [Member]
Revenues	392	399
SFI [Member] \| Operating Segments [Member] \| Shipping [Member]
Revenues	25	10
SFI [Member] \| Operating Segments [Member] \| Product and Other [Member]
Revenues	676	818
SFI [Member] \| Operating Segments [Member] \| Service Support [Member]
Revenues	460	502
SFI [Member] \| Operating Segments [Member] \| Service Hosting [Member]
Revenues	654	879
SFI [Member] \| Operating Segments [Member] \| Service Events [Member]
Revenues	7	50
SFI [Member] \| Operating Segments [Member] \| Service Installs and Training [Member]
Revenues	256	906
SFI [Member] \| Operating Segments [Member] \| Service [Member]
Revenues	1,377	2,337
MSKK [Member] \| Operating Segments [Member]
Revenues	3,575	4,870
MSKK [Member] \| Operating Segments [Member] \| Hardware [Member]
Revenues	524	296
MSKK [Member] \| Operating Segments [Member] \| Software [Member]
Revenues	379	407
MSKK [Member] \| Operating Segments [Member] \| Shipping [Member]
Revenues	0	0
MSKK [Member] \| Operating Segments [Member] \| Product and Other [Member]
Revenues	903	703
MSKK [Member] \| Operating Segments [Member] \| Service Support [Member]
Revenues	898	1,659
MSKK [Member] \| Operating Segments [Member] \| Service Hosting [Member]
Revenues	838	1,087
MSKK [Member] \| Operating Segments [Member] \| Service Events [Member]
Revenues	936	1,268
MSKK [Member] \| Operating Segments [Member] \| Service Installs and Training [Member]
Revenues	0	153
MSKK [Member] \| Operating Segments [Member] \| Service [Member]
Revenues	$ 2,672	$ 4,167