Note 6 - Income (Loss) Per Share (Details Textual) - shares |
9 Months Ended | |
---|---|---|
Jun. 30, 2020 |
Jun. 30, 2019 |
|
Share-based Payment Arrangement, Option [Member] | ||
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) | 1,050,000 | 150,000 |
Warrant [Member] | ||
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) | 11,238,650 | 9,090,650 |
Convertible Debt Securities [Member] | ||
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) | 100,000 |