Note 2 - Summary of Significant Accounting Policies - Unobservable Inputs (Details)	Dec. 31, 2025	Dec. 31, 2024
Measurement Input, Discount Rate [Member] \| Developed Technology [Member]
Intangible Assets, Measurement Input	22.00%
Measurement Input, Discount Rate [Member] \| Trade Names [Member]
Intangible Assets, Measurement Input	22.00%
Measurement Input, Annual Obsolescence Rate, Pre-patent Expiration [Member] \| Developed Technology [Member]
Intangible Assets, Measurement Input	95.00%
Measurement Input, Annual Obsolescence Rate, Post-patent Expiration [Member] \| Developed Technology [Member]
Intangible Assets, Measurement Input	75.00%
Measurement Input, Pre-tax Royalty Rate [Member] \| Trade Names [Member]
Intangible Assets, Measurement Input	1.00%
Valuation Technique, Discounted Cash Flow [Member] \| Measurement Input, Discount Rate [Member]
Royalties payable due to related parties	19.50%	22.50%