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Note 5 - Intangible Assets - Summary of Intangible Assets (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2022
Oct. 01, 2022
Intangible assets, gross $ 12,070 $ 12,070
Intangible assets, accumulated amortization (5,417) (5,223)
Intangible assets, net book value $ 6,653 $ 6,847
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 (4,292) (4,130)
Intangible assets, net book value $ 5,578 $ 5,740
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 (751) (729)
Intangible assets, net book value $ 1,049 $ 1,071
Noncompete Agreements [Member]    
Weighted average useful life (Year) 5 years 5 years
Intangible assets, gross $ 400 $ 400
Intangible assets, accumulated amortization (374) (364)
Intangible assets, net book value $ 26 $ 36