v3.26.1
Note 3 - Segment Information - Assets and Capital Expenditures (Details) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Total assets $ 48,123 $ 46,776
Corporate Segment [Member]    
Total assets 20,829 19,771
Operating Segments [Member]    
Total assets 48,123 46,776
Operating Segments [Member] | Electronic Instruments [Member]    
Total assets 1,303 1,237
Operating Segments [Member] | Merchant Investment [Member]    
Total assets 25,991 25,768
Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment [Member]    
Total assets $ 0 $ 0