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Note 7 - Intangible Assets - Summary of Intangible Assets (Details) - USD ($)
$ in Thousands
Sep. 28, 2024
Sep. 30, 2023
Intangible assets, gross $ 11,730 $ 12,070
Intangible assets, accumulated amortization (6,389) (5,980)
Net book value $ 5,341 $ 6,090
Customer Relationships [Member]    
Weighted average useful life (Year) 17 years 1 month 6 days 17 years 1 month 6 days
Intangible assets, gross $ 9,870 $ 9,870
Intangible assets, accumulated amortization (5,427) (4,779)
Net book value $ 4,443 $ 5,091
Technology-Based Intangible Assets [Member]    
Weighted average useful life (Year) 20 years 20 years
Intangible assets, gross $ 1,800 $ 1,800
Intangible assets, accumulated amortization (908) (818)
Net book value $ 892 $ 982
Noncompete Agreements [Member]    
Weighted average useful life (Year) 5 years 5 years
Intangible assets, gross $ 60 $ 400
Intangible assets, accumulated amortization (54) (383)
Net book value $ 6 $ 17