Note 3 - Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2023

Notes Tables

Property, Plant and Equipment, Policy [Policy Text Block]

Buildings (in years)	25
Machinery and equipment (in years)	5	-	15
Office furniture and equipment (in years)	2	-	7
Leasehold improvements (in years)	4	-	5
Software (in years)	5

Earnings Per Share, Policy [Policy Text Block]

	Years Ended December 31,
	2023		2022
Net income (numerator)	$	4,189,000	$	3,282,000
Shares (denominator):
Basic weighted average common shares outstanding		11,856,356		12,713,533
Add: Dilutive effect of common stock options		-		67,471
Diluted weighted average common shares outstanding		11,856,356		12,781,004
Earnings per common share:
Basic	$	0.35	$	0.26
Diluted	$	0.35	$	0.26