Note 5 - Share-based Compensation Plans (Tables)

12 Months Ended

Dec. 30, 2023

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		961,400		$	2.47
Granted		344,500		$	2.90
Exercised		(141,000	)	$	1.78
Forfeited		(236,400	)	$	2.93
Expired		(25,000	)	$	1.00
Outstanding at end of year		903,500		$	2.66		6.51	$	2,403,762
Options exercisable at year-end		494,600		$	2.42		4.58	$	1,199,158

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

	2023				2022
Risk-free interest rate		3.43%	-	4.24%		1.55%	-	2.84%
Expected life in years		5	-	5.5		6	-	7
Expected volatility			59.7%				54%
Expected dividend yield			0				0
Weighted average fair value of grants			$2.91				$3.11