Quarterly report pursuant to Section 13 or 15(d)

Note 8 - Long-term Investments (Details Textual)

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Note 8 - Long-term Investments (Details Textual) - USD ($)
6 Months Ended
Sep. 27, 2022
Jun. 30, 2023
Stock Issued During Period, Value, New Issues   $ 200,000
Private Placement [Member] | Koala Crypto Limited [Member]    
Stock Issued During Period, Shares, New Issues (in shares) 863,392  
Stock Issued During Period, Value, New Issues $ 1,350,000  
Koala Crypto Limited [Member]    
Investment Owned, Balance, Shares (in shares) 65,700  
Investment Owned, Percentage of Total Issued Share Capital 9.00%