Note E - Concentrations (Details Textual) - USD ($) |
12 Months Ended | |
|---|---|---|
Sep. 30, 2017 |
Sep. 30, 2018 |
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| 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% |
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- 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. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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