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Note 5 - Inventories (Details Textual) - USD ($) | Sep. 30, 2017 | Sep. 30, 2016
--- | --- | ---
Inventory, Raw Materials, Gross | $ 3,784,935 | $ 4,393,928
Held at Supplier Location [Member] |  |
Inventory, Raw Materials, Gross | $ 69,693 | $ 97,515

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- Definition Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer. + 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 210.5-02.6(a)(4)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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Balance Type: | debit
Period Type: | instant

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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |