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Note 6 - Property and Equipment | 12 Months Ended
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Sep. 30, 2017
Notes to Financial Statements |
Property, Plant and Equipment Disclosure [Text Block] | 6 . PROPERTY AND EQUIPMENT Property and equipment consisted of the following:
|  | September 30, |
|  | 2017 |  |  | 2016 |
Machinery and equipment |  | $ | 994,157 |  |  | $ | 957,829 |
Office furniture and equipment |  |  | 1,093,502 |  |  |  | 976,856 |
Leasehold improvements |  |  | 76,138 |  |  |  | 71,738 |
Property and equipment, gross |  |  | 2,163,797 |  |  |  | 2,006,423 |
Accumulated depreciation |  |  | (1,654,194 | ) |  |  | (1,533,079 | )
Property and equipment, net |  | $ | 509,603 |  |  | $ | 473,344 |
|  | Year Ended September 30, |
|  | 2017 |  |  | 2016 |
Depreciation expense |  | $ | 146,067 |  |  | $ | 160,941 |

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- Definition The entire disclosure for long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, accounting policies and methodology, roll forwards, depreciation, depletion and amortization expense, including composite depreciation, accumulated depreciation, depletion and amortization expense, useful lives and method used, income statement disclosures, assets held for sale and public utility disclosures. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -URI http://asc.fasb.org/topic&trid=2155823 + Details
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