Note 8 - Notes Payable - Notes Due to Related Parties (Details) (Parentheticals) - USD ($)	3 Months Ended	12 Months Ended
Dec. 31, 2017	Sep. 30, 2017	Sep. 30, 2016
Promissory Note 1 [Member]
Notes payable, face value	$ 2,000,000	$ 2,000,000	$ 2,000,000
Notes payable, quarterly payment	$ 60,911	$ 60,911	$ 60,911
Notes payable, interest rate	4.00%	4.00%	4.00%
Promissory Note 2 [Member]
Notes payable, face value	$ 2,768,662	$ 2,768,662	$ 2,768,662
Notes payable, quarterly payment	$ 84,321	$ 84,321	$ 84,321
Notes payable, interest rate	4.00%	4.00%	4.00%

Face (par) amount of debt instrument at time of issuance.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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- Definition

Amount of the required periodic payments including both interest and principal payments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823

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