Note 4 - Concentrations (Details Textual) |
12 Months Ended | |
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Sep. 30, 2021
USD ($)
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Sep. 30, 2020
USD ($)
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Property, Plant and Equipment, Net, Ending Balance | $ 4,997,658 | $ 4,952,819 |
MEXICO | ||
Property, Plant and Equipment, Net, Ending Balance | $ 1,768,837 | $ 1,686,209 |
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | ||
Number of Major Customers | 2 | 2 |
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Two Customers [Member] | ||
Concentration Risk, Percentage | 28.00% | 30.00% |
Accounts Receivable [Member] | Customer Concentration Risk [Member] | ||
Number of Major Customers | 1 | 2 |
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Two Customers [Member] | ||
Concentration Risk, Percentage | 25.00% | |
Accounts Receivable [Member] | Customer Concentration Risk [Member] | One Customer [Member] | ||
Concentration Risk, Percentage | 17.00% |
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- Definition Represents the number of major customers accounting for 10% or more of the specified concentration risk benchmark, which includes, but not limited to, sales revenue, accounts receivable, etc. No definition available.
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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://www.xbrl.org/2003/role/disclosureRef
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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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