Quarterly report [Sections 13 or 15(d)]

Note 9 - Stockholders' Equity - Warrants Activity (Details)

v3.25.4
Note 9 - Stockholders' Equity - Warrants Activity (Details)
 3 Months Ended
Dec. 31, 2025
$ / shares
shares
Warrants Activity, Excluding Pre-funded Warrants [Member]  
Outstanding (in shares) | shares 0
Issued (in shares) | shares 16,800,000
Exercised (in shares) | shares 0
Canceled/Expired (in shares) | shares 0
Outstanding (in shares) | shares 16,800,000
Warrants Activity, Excluding Pre-funded Warrants [Member] | Weighted Average [Member]  
Outstanding, weighted average exercise price (in dollars per share) | $ / shares $ 0
Issued, weighted average exercise price (in dollars per share) | $ / shares 3
Exercised, weighted average exercise price (in dollars per share) | $ / shares 0
Canceled/Expired, weighted average exercise price (in dollars per share) | $ / shares 0
Outstanding, weighted average exercise price (in dollars per share) | $ / shares $ 3
The 2025 Pre-funded Warrants [Member]  
Outstanding (in shares) | shares 0
Issued (in shares) | shares 7,000,000
Exercised (in shares) | shares 0
Canceled/Expired (in shares) | shares 0
Outstanding (in shares) | shares 7,000,000
The 2025 Pre-funded Warrants [Member] | Weighted Average [Member]  
Outstanding, weighted average exercise price (in dollars per share) | $ / shares $ 0
Issued, weighted average exercise price (in dollars per share) | $ / shares 0.001
Exercised, weighted average exercise price (in dollars per share) | $ / shares 0
Canceled/Expired, weighted average exercise price (in dollars per share) | $ / shares 0
Outstanding, weighted average exercise price (in dollars per share) | $ / shares $ 0.001