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
Mar. 31, 2024
Mar. 31, 2023
Sep. 12, 2023
Unrealized Gain (Loss) on Investments $ 417 $ 0  
Mystic Holdings, Inc. [Member]      
Investment Owned, Fair Value 1,080    
Unrealized Gain (Loss) on Investments $ 420    
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