Note 10 - Net Income (Loss) Per Common Share - Reconciliation of Basic to Diluted Weighted Average Shares Outstanding (Details) - shares	3 Months Ended	9 Months Ended
Jun. 27, 2023	Jun. 28, 2022	Jun. 28, 2022	Jun. 27, 2023	Jun. 28, 2022
Basic (in shares)	11,700,044	12,457,251	12,457,251	11,853,441	12,502,449
Weighted-average shares outstanding diluted (in shares)	11,769,286	12,560,658	12,560,658	11,910,491	12,502,449
Antidilutive (in shares)	345,691		387,378	354,024	249,752
Share-Based Payment Arrangement, Option [Member]
Effect of potentially dilutive securities (in shares)	19,242		29,071	7,050	0
Restricted Stock Units (RSUs) [Member]
Effect of potentially dilutive securities (in shares)	50,000		74,336	50,000	0

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 260
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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.

+ References

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The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

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