Note 6 - Reportable Segments (Details Textual) - USD ($)	12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Revenues	$ 67,709,000	$ 54,009,000
Traditional Business [Member]
Revenues	16,253,000	15,922,000
Traditional Business [Member] | Transferred at Point in Time [Member]
Revenues	11,850,000	11,528,000
Traditional Business [Member] | Transferred over Time [Member]
Revenues	4,403,000	4,394,000
Journal Technologies [Member]
Revenues	51,456,000	38,087,000
Journal Technologies [Member] | Transferred at Point in Time [Member]
Revenues	28,209,000	19,459,000
Journal Technologies [Member] | Transferred over Time [Member]
Revenues	$ 23,247,000	$ 18,628,000