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Note E - Concentrations (Details Textual) - USD ($)	12 Months Ended
	Sep. 30, 2017	Sep. 30, 2018
Property, Plant and Equipment, Net, Ending Balance	$ 5,434,172	$ 4,744,584
MEXICO
Property, Plant and Equipment, Net, Ending Balance	$ 581,396	$ 412,755
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Customer B [Member]
Concentration Risk, Percentage	19.00%

X

- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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- Definition

Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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