Condensed Consolidated Balance Sheets (Parentheticals) - shares	Mar. 31, 2025	Jun. 30, 2024
Statement of Financial Position [Abstract]
Series A voting preferred stock, shares issued	0	0
Series A voting preferred stock, shares outstanding	0	0
Redeemable, convertible preferred stock, shares authorized	10,000,000	10,000,000
Common stock, shares issued	21,150,711,608	21,136,888,326
Common stock, shares outstanding	21,150,711,608	21,136,888,326
Treasury stock, shares	52,100,000	52,100,000