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Note 3 - Intangible Assets (Details Textual) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		6 Months Ended
	Apr. 30, 2020	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2025	Mar. 31, 2024
Amortization of Intangible Assets		$ 30	$ 30	$ 50	$ 50
The Constructs [Member]
License Agreement, Term	25 years
License Agreement, Renewal Period	5 years
Finite-Lived Intangible Asset, Useful Life	25 years
Upfront License Payment	$ 2,500

X

- Definition

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- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets.

+ References

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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