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Note 1 - Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 27, 2025

Notes Tables

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

(in thousands)		2025				2024				2023
Weighted average common shares outstanding			46,723				46,908				47,486
Effect of dilutive stock options and restricted stock units			-				-				539
			46,723				46,908				48,025

Schedule of Inventory, Current [Table Text Block]

		December 27,				December 28,
		2025				2024
Raw materials and purchased parts		$	84,797			$	94,970
Work in process			23,388				25,833
Finished goods			20,821				21,058
Total inventories		$	129,006			$	141,861

Property, Plant and Equipment [Table Text Block]

		December 27,				December 28,
		2025				2024
Land and land improvements		$	12,364			$	6,941
Buildings and building improvements			49,469				47,733
Machinery and equipment			103,273				104,767
			165,106				159,441
Less accumulated depreciation and amortization			(88,119	)			(84,655	)
Property, plant and equipment, net		$	76,987			$	74,786

Disaggregation of Revenue [Table Text Block]

(in thousands)		2025				2024				2023
Systems-Semiconductor Test & Inspection		$	180,627			$	139,133			$	326,448
Non-systems-Semiconductor Test & Inspection			272,329				262,646				309,874
Net sales		$	452,956			$	401,779			$	636,322

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