Quarterly report pursuant to Section 13 or 15(d)

Note 5 - Investments (Details Textual)

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Note 5 - Investments (Details Textual) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Sep. 12, 2023
Unrealized Gain (Loss) on Investments $ 520 $ 1,333 $ 167 $ 1,333  
Mystic Holdings, Inc. [Member]          
Investment Owned, Fair Value 830   830    
Unrealized Gain (Loss) on Investments $ 520   $ 170    
Mystic Holdings, Inc. [Member] | Common Stock [Member]          
Investment Owned, Balance, Shares (in shares)         8,323,764
Mystic Holdings, Inc. [Member] | Series A Preferred Stock [Member]          
Investment Owned, Balance, Shares (in shares)         8,332