Note 2 - Inventories - Schedule of Inventory (Details) - USD ($)	Jun. 30, 2018	Sep. 30, 2017
Finished goods	$ 29,499	$ 20,759
Work in process	639,050	383,216
Raw materials	886,389	954,369
	$ 1,554,938	$ 1,358,344

Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of merchandise or goods held by the company that are readily available for sale.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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