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Note 3 - Related Party Transactions (Details Textual) - USD ($)
3 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Sep. 30, 2019
Jan. 03, 2014
Jan. 03, 2012
Finite-Lived License Agreements, Gross         $ 2,100,000
Majority Shareholder [Member]          
Related Party Transaction, Selling, General and Administrative Expenses from Transactions with Related Party $ 250,225 $ 373,120      
Due to Related Parties, Total 0   $ 0    
The Lease [Member]          
Lessee, Operating Lease, Term of Contract       10 years  
Payments for Rent $ 30,000 $ 30,000