Note 1 - Description of the Business and Basis of Presentation (Details Textual) - USD ($)			3 Months Ended				6 Months Ended		12 Months Ended
	Aug. 10, 2020	Apr. 17, 2020	Mar. 31, 2021	Mar. 27, 2021	Mar. 28, 2020	Mar. 28, 2020	Mar. 27, 2021	Mar. 28, 2020	Sep. 26, 2020	Sep. 28, 2019	May 07, 2021	May 06, 2021
Net Income (Loss) Attributable to Parent, Total				$ (328,680)	$ (361,266)	$ (361,266)	$ (670,791)	$ (841,740)	$ (911,000)	$ 631,000
Retained Earnings (Accumulated Deficit), Ending Balance				$ (3,736,372)			(3,736,372)		(3,065,581)
Proceeds from Issuance of Long-term Debt, Total							$ 474,405
Paycheck Protection Program CARES Act [Member]
Proceeds from Issuance of Long-term Debt, Total		$ 474,400	$ 474,405						$ 474,400
The SBA Loan [Member]
Debt Instrument, Interest Rate, Stated Percentage	3.75%								3.75%
Proceeds from Issuance of Long-term Debt, Total	$ 150,000								$ 150,000
Debt Instrument, Term (Year)	30 years								30 years
Mr. Carl H. Guild [Member] | Subsequent Event [Member]
Line of Credit Facility, Maximum Borrowing Capacity											$ 1,000,000	$ 1,000,000
Debt Instrument, Interest Rate, Stated Percentage											6.00%	6.00%