Quarterly report pursuant to Section 13 or 15(d)

Note 5 - Investments - Schedule of Investments by Fair Value (Details)

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Note 5 - Investments - Schedule of Investments by Fair Value (Details) - USD ($)
$ in Thousands
Jun. 30, 2024
Dec. 31, 2023
Investments, fair value $ 313 $ 667
Fair Value, Inputs, Level 1 [Member]    
Investments, fair value 313 667
Fair Value, Inputs, Level 2 [Member]    
Investments, fair value 0 0
Fair Value, Inputs, Level 3 [Member]    
Investments, fair value 0 0
Mystic Holdings, Inc. [Member]    
Investments, fair value 313 667
Mystic Holdings, Inc. [Member] | Fair Value, Inputs, Level 1 [Member]    
Investments, fair value 313 667
Mystic Holdings, Inc. [Member] | Fair Value, Inputs, Level 2 [Member]    
Investments, fair value 0 0
Mystic Holdings, Inc. [Member] | Fair Value, Inputs, Level 3 [Member]    
Investments, fair value $ 0 $ 0