Note 5 - Intangible Assets - Summary of Intangible Assets (Details) - USD ($) $ in Thousands	Jul. 01, 2023	Oct. 01, 2022
Gross	$ 12,070	$ 12,070
Accumulated amortization	(5,792)	(5,223)
Net Book Value	$ 6,278	$ 6,847
Customer Relationships [Member]
Weighted-Average Useful Life (Year)	17 years 1 month 6 days	17 years 1 month 6 days
Gross	$ 9,870	$ 9,870
Accumulated amortization	(4,617)	(4,130)
Net Book Value	$ 5,253	$ 5,740
Technology-Based Intangible Assets [Member]
Weighted-Average Useful Life (Year)	20 years	20 years
Gross	$ 1,800	$ 1,800
Accumulated amortization	(796)	(729)
Net Book Value	$ 1,004	$ 1,071
Noncompete Agreements [Member]
Weighted-Average Useful Life (Year)	5 years	5 years
Gross	$ 400	$ 400
Accumulated amortization	(379)	(364)
Net Book Value	$ 21	$ 36