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Note 13 - Net Income Attributable to Controlling Interests Per Common Share (Details Textual) - shares
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Weighted Average Number of Shares, Unvested Share-based Payment Awards, Basic (in shares) 362,842 230,428
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) 100,000 100,000
Series A Preferred Stock [Member]    
Incremental Common Shares Attributable to Dilutive Effect of Conversion of Preferred Stock (in shares) 4,000,000 4,000,000