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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 |

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