Quarterly report [Sections 13 or 15(d)]

Note 9 - Sale of Envoy Technologies 1 (Details Textual)

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Note 9 - Sale of Envoy Technologies 1 (Details Textual) - USD ($)
$ in Thousands
9 Months Ended
Jun. 05, 2026
Sep. 30, 2026
Sep. 30, 2025
Gain (Loss) on Disposition of Business   $ 802 $ (0)
Disposal Group, Not Discontinued Operation, Name [Extensible Enumeration] Envoy Technologies [Member]    
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member]      
Proceeds from Divestiture of Businesses $ 1,000    
Gain (Loss) on Disposition of Business   802  
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Convertible Promissory Note [Member]      
Receivable with Imputed Interest, Face Amount $ 12,500    
Receivables, Fair Value Disclosure   $ 0