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Note 20 - Major Customers, Suppliers and Related Information | 12 Months Ended
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Sep. 30, 2021
Notes to Financial Statements |
Concentration Risk Disclosure [Text Block] | 20. MAJOR CUSTOMERS, SUPPLIERS AND RELATED INFORMATION Major Customers For the fiscal year ended September 30, 2021, revenues from one customer accounted for 58% of total revenues with no other single customer accounting for more than 10% of total revenues. For the fiscal year ended September 30, 2020, revenues from one customer accounted for 63% of total revenues with no other single customer accounting for more than 10% of total revenues. As of September 30, 2021, accounts receivable from two customers accounted for 66% and 18% of total accounts receivable. As of September 30, 2020, accounts receivable from two customers accounted for 36% and 24% of total accounts receivable. Revenue from customers in the United States was $37,888 for the year ended September 30, 2021. Revenue from customers in the United States was $32,765 for the year ended September 30, 2020. The following table summarizes revenues by geographic region. Revenues are attributed to countries based on customer’s delivery location.
|  | Years ended September 30, |
|  | 2021 |  |  | 2020 |
Americas |  | $ | 39,064 |  |  | $ | 34,815 |
Asia Pacific |  |  | 4,470 |  |  |  | 5,716 |
Europe, Middle East and Africa |  |  | 3,469 |  |  |  | 2,479 |
Total Revenues |  | $ | 47,003 |  |  | $ | 43,010 |
The following table summarized long lived assets by geographic region.
|  | Year ended September 30, |
|  | 2021 |  |  | 2020 |
United States |  | $ | 26,880 |  |  | $ | 1,924 |
Americas (excluding the United States) |  |  | 8,395 |  |  |  | - |
Asia Pacific |  |  | - |  |  |  | - |
Europe, Middle East and Africa |  |  | 3,118 |  |  |  | 3,421 |
|  | $ | 38,393 |  |  | $ | 5,345 |
Suppliers The Company has a large number of components and sub-assemblies produced by outside suppliers, some of which are sourced from a single supplier, which can magnify the risk of shortages and decrease the Company’s ability to negotiate with suppliers on the basis of price. In particular, the Company depends on one supplier of compression drivers for its LRAD products. If supplier shortages occur, or quality problems arise, then production schedules could be significantly delayed or costs significantly increased, which could in turn have a material adverse effect on the Company’s financial condition, results of operation and cash flows.

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- Definition The entire disclosure for any concentrations existing at the date of the financial statements that make an entity vulnerable to a reasonably possible, near-term, severe impact. This disclosure informs financial statement users about the general nature of the risk associated with the concentration, and may indicate the percentage of concentration risk as of the balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -URI http://asc.fasb.org/topic&trid=2134479 + Details
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