v3.26.3
Note 3 - Business Combination (Details Textual) - USD ($)
$ in Millions
1 Months Ended 3 Months Ended 9 Months Ended
Jan. 29, 2025
Apr. 30, 2026
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Dec. 31, 2025
Ydentic B.V. [Member] | Ydentic Holding B.V. [Member]              
Subsidiary, Ownership Percentage, Parent 100.00%            
Ydentic Holding B.V. [Member]              
Business Combination, Voting Equity Interest Acquired, Percentage 80.00%            
Business Combination, Consideration Transferred and to be Transferred $ 20.4            
Payments to Acquire Businesses, Gross $ 14.9            
Business Acquisition, Settlement of Liability, Percentage of Shares Outstanding   6.67%          
Payments to Settle Business Acquisition Liability   $ 1.8          
Ydentic Holding B.V. [Member] | Shares Subject to Mandatory Redemption [Member]              
Business Combination, Voting Equity Interest Acquired, Percentage 20.00% 20.00%          
Business Combination, Consideration Transferred, Equity Interest $ 5.5            
Financial Instruments Subject to Mandatory Redemption, Settlement Terms, Share Value, Amount     $ 4.6   $ 4.6   $ 6.2
Financial Instruments Subject to Mandatory Redemption, Settlement Terms, Share Value, Amount, Current     2.3   2.3   1.9
Financial Instruments Subject to Mandatory Redemption, Settlement Terms, Share Value, Amount, Noncurrent     2.3   2.3   $ 4.3
Schedule of Financial Instruments Subject to Mandatory Redemption, Interest Income (Expense)     $ 1.4 $ 0.9 $ (0.4) $ 0.1