Quarterly report pursuant to Section 13 or 15(d)

Note 5 - Stock-based Compensation - Stock Compensation Activity (Details)

v3.22.1
Note 5 - Stock-based Compensation - Stock Compensation Activity (Details) - USD ($)
6 Months Ended 12 Months Ended
Mar. 31, 2022
Sep. 30, 2021
Outstanding (in shares) 24,899,014  
Outstanding, weighted average exercise price (in dollars per share) $ 0.29  
Outstanding, weighted average remaining contractual term (Year) 1 year 7 months 9 days 1 year 9 months 29 days
Outstanding, aggregate intrinsic value $ 1,750 $ 140,151
Awarded (in shares) 250,000  
Awarded, weighted average exercise price (in dollars per share) $ 0.10  
Forfeited/Cancelled (in shares) (2,716,917)  
Forfeited/Cancelled, weighted average exercise price (in dollars per share) $ 0.35  
Outstanding (in shares) 22,432,097 24,899,014
Outstanding, weighted average exercise price (in dollars per share) $ 0.28 $ 0.29
Vested (in shares) 18,733,501  
Vested, weighted average exercise price (in dollars per share) $ 0.32  
Vested, weighted average remaining contractual term (Year) 1 year 9 months 29 days  
Vested and expected to vest (in shares) 22,432,097  
Vested and expected to vest, weighted average exercise price (in dollars per share) $ 0.28  
Vested and expected to vest, weighted average remaining contractual term (Year) 1 year 7 months 9 days  
Vested and expected to vest, aggregate intrinsic value $ 1,750