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Note 4 - Debts and Commitments (Tables) | 12 Months Ended
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Sep. 30, 2018
Notes Tables |
Contractual Obligation, Fiscal Year Maturity Schedule [Table Text Block] |
|  | Payments due by Fiscal Year |
|  | 2019 |  |  | 2020 |  |  | 2021 |  |  | 2022 |  |  | 2023 |  |  | 2024 and after |  |  | Total |
Real estate loan |  | $ | 121,000 |  |  | $ | 126,000 |  |  | $ | 133,000 |  |  | $ | 139,000 |  |  | $ | 146,000 |  |  | $ | 1,291,000 |  |  | $ | 1,956,000 |
Obligations under operating leases |  |  | 848,000 |  |  |  | 331,000 |  |  |  | 19,000 |  |  |  | --- |  |  |  | --- |  |  |  | --- |  |  |  | 1,198,000 |
Long-term accrued liabilities* |  |  | --- |  |  |  | 20,000 |  |  |  | 6,000 |  |  |  | 4,000 |  |  |  | 12,000 |  |  |  | 128,000 |  |  |  | 170,000 |
|  | $ | 969,000 |  |  | $ | 477,000 |  |  | $ | 158,000 |  |  | $ | 143,000 |  |  | $ | 158,000 |  |  | $ | 1,419,000 |  |  | $ | 3,324,000 |

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- Definition Tabular disclosure of the aggregate amount of payments due on known contractual obligations for the five years following the date of the latest balance sheet and the combined aggregate amount of maturities of known contractual obligations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 303 -Paragraph a -Subparagraph 5 + Details
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