Note 12 - Operating Segments (Details Textual) - USD ($)	3 Months Ended	6 Months Ended
Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2025	Mar. 31, 2024
Revenues	$ 18,176,000	$ 16,571,000	$ 35,880,000	$ 32,564,000
Revenue Benchmark [Member] \| Product Concentration Risk [Member] \| Non-US [Member]
Concentration Risk, Percentage	5.00%
Traditional Business [Member]
Revenues	$ 4,380,000	4,112,000	8,471,000	7,999,000
Traditional Business [Member] \| Transferred at Point in Time [Member]
Revenues	3,333,000	3,013,000	6,344,000	5,805,000
Traditional Business [Member] \| Transferred over Time [Member]
Revenues	1,047,000	1,099,000	2,127,000	2,194,000
Journal Technologies [Member]
Revenues	$ 13,796,000	$ 12,459,000	27,409,000	24,565,000
Journal Technologies [Member] \| Revenue Benchmark [Member] \| Product Concentration Risk [Member]
Concentration Risk, Percentage	76.00%	75.00%
Journal Technologies [Member] \| Transferred at Point in Time [Member]
Revenues	$ 6,384,000	$ 5,814,000	12,472,000	11,384,000
Journal Technologies [Member] \| Transferred over Time [Member]
Revenues	$ 7,412,000	$ 6,645,000	$ 14,937,000	$ 13,181,000

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.

+ References

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+ Details