Note 6 - Income/Loss Per Share (Details Textual) - shares	3 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Share-based Payment Arrangement, Option [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	1,050,000	150,000
Warrant [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	11,238,650	9,170,650
Convertible Debt Securities [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	256,667