Note 3 - Business Combination - Preliminary Fair Value of Asset Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Goodwill	$ 37,908	$ 17,715
Ydentic Holding B.V. [Member]
Accounts receivable, net	618
Prepaid expenses and other current assets	173
Property and equipment, net	68
Goodwill	17,195
Intangible assets, net	3,943
Operating lease right-of-use assets	562
Other assets	30
Accounts payable	(347)
Accrued expenses and other current liabilities	(374)
Current portion of deferred revenue	(2)
Long-term operating lease liabilities	(457)
Other liabilities	(1,017)
Total purchase consideration, net of cash acquired	$ 20,392