v3.25.4
Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($)
Dec. 31, 2025
Jun. 30, 2025
Allowance for doubtful accounts $ 34,766 $ 24,495
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, authorized (in shares) 94,500,000 94,500,000
Common stock, issued (in shares) 54,442,677 42,949,307
Common stock, outstanding (in shares) 54,442,677 42,949,307
Series G Convertible Preferred Stock [Member]    
Temporary equity, par value (in dollars per share) $ 0.01 $ 0.01
Temporary equity, authorized (in shares) 44,000 44,000
Temporary equity, issued (in shares) 24,956 24,956
Temporary equity, outstanding (in shares) 24,956 24,956
Series D Preferred Stock [Member]    
Preferred stock, par value (in dollars per share) $ 0.01 $ 0.01
Preferred stock, authorized (in shares) 500,000 500,000
Preferred stock, issued (in shares) 0 0
Preferred stock, outstanding (in shares) 0 0