Note 2 - Summary of Significant Accounting Policies - Schedule of Securities Not Considered in Calculation of Diluted Weighted Average Shares (Details) - shares	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total potential dilutive securities	10,861,502	7,768,280
Common Stock Warrants [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total potential dilutive securities	338,715	415,779
Common Stock Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total potential dilutive securities	10,522,787	7,352,501