Note 8 - Stockholders' Equity - Warrant Activity (Details) - $ / shares |
9 Months Ended | 12 Months Ended |
---|---|---|
Jun. 30, 2020 |
Sep. 30, 2019 |
|
Outstanding, warrants (in shares) | 11,238,650 | 11,238,650 |
Outstanding, warrants, weighted average exercise price (in dollars per share) | $ 1.52 | $ 1.52 |
Outstanding, warrants, weighted average remaining contract term (Year) | 1 year 182 days | 2 years 109 days |
Exercisable, warrants (in shares) | 11,238,650 | |
Exercisable, warrants, weighted average exercise price (in dollars per share) | $ 1.52 | |
Exercisable, warrants, weighted average remaining contract term (Year) | 1 year 182 days |