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Note 5 (Details Textual) - shares | 3 Months Ended
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Dec. 25, 2021 | Dec. 26, 2020 | Dec. 25, 2020
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in shares) | 0 | 0 |
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term (Month) | 51 months |  |
Share Based Compensation Arrangement by Share Based Payment Award Fair Value Assumptions Volatility Calculation Term (Year) | 10 years |  |
Restricted Stock Units (RSUs) [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period (in shares) | 8,873 |  | 0
Performance Shares [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period (in shares) | 8,868 |  | 0

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- Definition The term calculated for volatility in fair value assumptions. + References No definition available. + Details
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- Definition Gross number of share options (or share units) granted during the period. + References No definition available. + Details
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- Definition Number of shares issued under share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Expected term of award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(i) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.D.2) -URI http://asc.fasb.org/extlink&oid=122041274&loc=d3e301413-122809 + Details
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