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Note 17 - Subsequent Events (Details Textual) - USD ($)
1 Months Ended 3 Months Ended
May 01, 2023
May 15, 2023
Mar. 31, 2023
Stock Issued During Period, Value, New Issues     $ 28,105,461
Subsequent Event [Member] | The 24th Street Asset Management, LLC [Member]      
Business Acquisition, Percentage of Voting Interests Acquired 100.00%    
Business Combination, Step Acquisition, Equity Interest in Acquiree, Percentage 48.00%    
Payments to Acquire Businesses, Gross $ 2,759,072    
Cash Acquired from Acquisition, Held in Escrow 1,254,102    
Subsequent Event [Member] | The 24th Street Asset Management, LLC [Member] | Common Class A [Member]      
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable $ 5,016,494    
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in shares) 45,644    
At The Market Offering [Member] | Common Class A [Member]      
Stock Issued During Period, Shares, New Issues (in shares)     1,097,824
Stock Issued During Period, Value, New Issues     $ 28,105,461
At The Market Offering [Member] | Subsequent Event [Member]      
Stock Issued During Period, Shares, New Issues (in shares)   433,396  
Stock Issued During Period, Value, New Issues   $ 9,100,000