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Note 8 - Shareholders' Equity (Details Textual) - USD ($)		1 Months Ended	12 Months Ended
	Sep. 29, 2021	Jan. 31, 2023	Sep. 27, 2023	Sep. 26, 2023	Sep. 27, 2022
Preferred Stock, Shares Authorized (in shares)				5,000,000	5,000,000
Common Stock, Shares Authorized (in shares)				50,000,000	50,000,000
Common Stock, Par or Stated Value Per Share (in dollars per share)				$ 0.001	$ 0.001
Common Stock, Shares, Issued (in shares)				12,977,433	12,977,433
Common Stock, Shares, Outstanding (in shares)				11,446,587	12,274,351
Share-Based Payment Arrangement, Expense				$ 132,000	$ 250,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)				45,000
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in dollars per share)				$ 2.81
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value				$ 25,401	$ 459,277
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period (in shares)				2,000	56,104
Proceeds from Stock Options Exercised				$ 5,000	$ 156,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value				$ 459,277	$ 25,401
Five Limited Liability Companies [Member]
Limited Liability Company or Limited Partnership, Members or Limited Partners, Ownership Interest		50.00%
Incentive Stock Options [Member] | Chief Executive Officer [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)	80,000			20,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)				5 years
Share Price (in dollars per share)	$ 6
Initial Options [Member] | Senior Vice President of Finance [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)					25,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)					3 years
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period (Year)					10 years
Initial Options [Member] | Senior Vice President of Finance [Member] | Share-Based Payment Arrangement, Tranche One [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage					0.33%
Initial Options [Member] | Senior Vice President of Finance [Member] | Share-Based Payment Arrangement, Tranche Two [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage					0.33%
Initial Options [Member] | Senior Vice President of Finance [Member] | Share-Based Payment Arrangement, Tranche Three [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage					0.33%
Additional Options [Member] | Senior Vice President of Finance [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)					25,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period (Year)					10 years
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in dollars per share)					$ 5
Share Price (in dollars per share)					$ 7.5
Share-Based Payment Arrangement, Option [Member]
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount				$ 82,000
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)				1 year 10 months 24 days
Performance Shares [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)				0
Restricted Stock [Member]
Share-Based Payment Arrangement, Expense					$ 40,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)					9,256
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share)					$ 4.35
Restricted Stock Units (RSUs) [Member]
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount				$ 83,000
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)				1 year 8 months 12 days
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)			25,750	25,750	28,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share)			$ 2.29

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