Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Sum of the allocated, committed-to-be-released and suspense shares of the entity held by the plan.

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Note 12 - Stock Ownership Plans (Details Textual) - USD ($)	1 Months Ended	12 Months Ended			24 Months Ended
	Dec. 31, 2021	Sep. 26, 2021	Sep. 27, 2020	Sep. 29, 2019	Sep. 27, 2020
Share-based Payment Arrangement, Expense		$ 854,000	$ 1,042,000	$ 1,638,000
Common Stock, Capital Shares Reserved for Future Issuance (in shares)		368,095
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in shares)		332,360
Share-based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount		$ 901,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value		$ 402,000
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)		1 year 2 months 12 days
Employee Stock Purchase Plan [Member]
Employee Stock Ownership Plan (ESOP), Shares in ESOP, Total (in shares)		27,000
Supplemental Employee Stock Purchase Plan [Member]
Employee Stock Ownership Plan (ESOP), Shares in ESOP, Total (in shares)		870
Share-based Payment Arrangement, Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)					10 years
Share-based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount		$ 0
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)		46,000	72,000	79,000
Restricted Stock [Member] \| Forecast [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)	96,000