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Note 7 - Property and Equipment | 12 Months Ended
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Sep. 30, 2020
Notes to Financial Statements |
Property, Plant and Equipment Disclosure [Text Block] | 7 . PROPERTY AND EQUIPMENT Property and equipment consisted of the following:
|  | September 30, |
|  | 2020 |  |  | 2019 |
Office furniture and equipment |  | $ | 1,181 |  |  | $ | 1,498 |
Machinery and equipment |  |  | 1,184 |  |  |  | 1,224 |
Leasehold improvements |  |  | 2,056 |  |  |  | 2,019 |
Construction in progress |  |  | 8 |  |  |  | 8 |
Property and equipment, gross |  |  | 4,429 |  |  |  | 4,749 |
Accumulated depreciation |  |  | (2,499 | ) |  |  | (2,480 | )
Property and equipment, net |  | $ | 1,930 |  |  | $ | 2,269 |
|  | 2020 |  |  | 2019 |
Depreciation expense |  | $ | 498 |  |  | $ | 521 |

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- Definition The entire disclosure for long-lived, physical asset used in normal conduct of business and not intended for resale. Includes, but is not limited to, work of art, historical treasure, and similar asset classified as collections. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=120429125&loc=d3e99893-112916 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -URI http://asc.fasb.org/topic&trid=2155823 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=120429125&loc=SL120174063-112916 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=120429125&loc=d3e99779-112916 + Details
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