Note 4 - Notes Receivable (Details Textual) - Promissory Note Agreement [Member] - USD ($)	Sep. 30, 2019	Sep. 30, 2018
Feilong Trading, Inc, [Member]
Promissory Note Receivable, Maximum Borrowing Capacity		$ 4,000,000
Note Receivable, Interest Rate		5.00%
Note Receivable Sold, Original Amount	$ 3,622,505
Mr Zhou Min Ni [Member]
Treasury Stock Shares Exchanged for Note Receivable	272,369
Restricted Shares, Held in Escrow	89,882