Note 3 - Business Combination (Details Textual) - USD ($) $ in Thousands		3 Months Ended	9 Months Ended
	Jan. 29, 2025	Sep. 30, 2025	Sep. 30, 2025
Schedule of Financial Instruments Subject to Mandatory Redemption, Interest Income (Expense)		$ 900	$ 100
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	$ 20,400
Payments to Acquire Businesses, Gross	14,900
Business Combination, Acquisition-Related Cost, Expense	$ 1,300	0	500
Ydentic Holding B.V. [Member] | Shares Subject to Mandatory Redemption [Member]
Business Combination, Voting Equity Interest Acquired, Percentage	20.00%
Business Combination, Consideration Transferred, Equity Interest	$ 5,500
Financial Instruments Subject to Mandatory Redemption, Settlement Terms, Share Value, Amount	$ 5,500	$ 6,200	$ 6,200
Ydentic Holding B.V. [Member] | Shares Subject to Mandatory Redemption [Member] | Measurement Input, Risk Free Interest Rate [Member]
Financial Instruments Subject to Mandatory Redemption, Measurement Input	0.0427