Quarterly report [Sections 13 or 15(d)]

Note 11 - Goodwill and Intangibles (Details Textual)

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Note 11 - Goodwill and Intangibles (Details Textual)
6 Months Ended 12 Months Ended
Mar. 31, 2025
USD ($)
Mar. 31, 2024
USD ($)
Sep. 30, 2024
USD ($)
Goodwill, Impairment Loss     $ 0
Number of Patents Granted 58    
Impairment of Intangible Assets (Excluding Goodwill), Total     $ 0
Amortization of Intangible Assets $ 1,094,000 $ 663,000  
Patents [Member]      
Finite-Lived Intangible Asset, Useful Life 20 years   20 years