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Convertible Preferred Stock (Narrative) (Details) - USD ($)
3 Months Ended
Sep. 30, 2024
Jun. 30, 2024
Preferred stock outstanding 3,351,000 3,351,000
Common stock upon conversion of preferred stock 670,200  
Dividend rate 8.00%  
Preferred stock dividends $ 1,677  
Common stock shares issued 1,359,299  
Series A Preferred [Member]    
Preferred stock outstanding 1,992,000  
Dividend rate 8.00%  
Series B Preferred [Member]    
Preferred stock outstanding 1,359,000