Note 8 - Share-based Compensation Plans (Tables)

12 Months Ended

Dec. 27, 2025

Notes Tables

Share-Based Payment Arrangement, Activity [Table Text Block]

						Weighted				Weighted
						Average				Remaining				Aggregate
						Exercise				Contractual				Intrinsic
		Shares				Price				Life (years)				Value
Outstanding at beginning of year			938,300			$	2.64
Granted			195,780			$	1.63
Exercised			(21,280	)		$	1.47
Expired			(45,000	)		$	2.85
Outstanding at end of year			1,067,800			$	2.47				6.94			$	907,909

Options exercisable at year-end			622,500			$	2.47				6.20			$	558,295

Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

		2025					2024
Risk-free interest rate		4.16%	-	4.33%			4.16%	-	4.33%
Expected life in years		5.2	-	7.0			5	-	7.6
Expected volatility			56.7%					61.2%
Expected dividend yield			0					0
Weighted average fair value of grants			$0.92					$2.29