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Note 13 - Segment Information - Revenues by Geographic Area (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2023
Oct. 01, 2022
Sep. 30, 2023
Oct. 01, 2022
Revenue $ 58,049 $ 58,152 $ 192,209 $ 214,459
UNITED STATES        
Revenue 53,679 55,180 179,800 205,162
CANADA        
Revenue 1,647 1,091 5,060 3,555
PUERTO RICO        
Revenue 1,643 1,261 4,745 3,760
Europe [Member]        
Revenue $ 1,080 $ 620 $ 2,604 $ 1,982