Note B - Inventories (Tables)

12 Months Ended

Dec. 31, 2020

Notes Tables

Schedule Of Potential Impact Of LIFO Valuation to FIFO Valuation [Table Text Block]

Increase (Decrease) – (In thousands, except per share data)
Year	Cost of Sales			Net Earnings			Earnings Per Share
2020	$	(447	)	$	349		$	0.05
2019	$	42		$	(34	)	$	-
2018	$	(189	)	$	143		$	0.02