Note 3 - Accounting Standards Adopted in Fiscal 2020 (Details Textual) - USD ($)	Mar. 31, 2020	Sep. 30, 2019
Operating Lease, Right-of-Use Asset	$ 382,000
Office Lease Obligations Beyond One Year	43,000
Accounting Standards Update 2016-02 [Member]
Operating Lease, Right-of-Use Asset	382,000
Operating Lease, Liability, Total	$ 382,000