Quarterly report [Sections 13 or 15(d)]

Note 11 - Goodwill and Intangibles - Finite Lived Intangible Assets (Details)

v3.25.4
Note 11 - Goodwill and Intangibles - Finite Lived Intangible Assets (Details) - USD ($)
Dec. 31, 2025
Sep. 30, 2025
Gross carrying amount $ 16,179,000 $ 15,917,000
Accumulated amortization 7,250,000 6,564
Net carrying amount $ 8,929,000 $ 9,353
Customer Relationships [Member]    
Useful life (Year) 15 years 15 years
Gross carrying amount $ 3,742,000 $ 3,742,000
Accumulated amortization 1,965,000 1,902,000
Net carrying amount $ 1,777,000 $ 1,840,000
Finite-Lived Intangible Asset, Useful Life 15 years 15 years
Certification Marks [Member]    
Useful life (Year) 8 years 8 years
Gross carrying amount $ 1,068,000 $ 1,068,000
Accumulated amortization 1,051,000 1,017,000
Net carrying amount $ 17,000 $ 51,000
Finite-Lived Intangible Asset, Useful Life 8 years 8 years
Trademarks [Member]    
Gross carrying amount $ 554,000 $ 537,000
Accumulated amortization 9,000 26,000
Net carrying amount $ 563,000 $ 563,000
Trademarks [Member] | Minimum [Member]    
Useful life (Year) 8 years  
Finite-Lived Intangible Asset, Useful Life 8 years  
Trademarks [Member] | Maximum [Member]    
Useful life (Year) 10 years  
Finite-Lived Intangible Asset, Useful Life 10 years  
Patents [Member]    
Useful life (Year) 20 years 20 years
Gross carrying amount $ 1,454,000 $ 1,443,000
Accumulated amortization 293,000 278,000
Net carrying amount $ 1,161,000 $ 1,165,000
Finite-Lived Intangible Asset, Useful Life 20 years 20 years
Computer Software, Intangible Asset [Member]    
Gross carrying amount $ 5,965,000 $ 6,271,000
Accumulated amortization 9,352,000 9,101,000
Net carrying amount $ 3,387,000 $ 2,830,000
Computer Software, Intangible Asset [Member] | Minimum [Member]    
Useful life (Year) 1 year  
Finite-Lived Intangible Asset, Useful Life 1 year  
Computer Software, Intangible Asset [Member] | Maximum [Member]    
Useful life (Year) 10 years  
Finite-Lived Intangible Asset, Useful Life 10 years