CONSOLIDATED CONDENSED STATEMENTS OF EARNINGS AND COMPREHENSIVE INCOME (UNAUDITED) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
CONSOLIDATED CONDENSED STATEMENTS OF EARNINGS AND COMPREHENSIVE INCOME (UNAUDITED)
Net sales	$ 71,558	$ 86,294
Cost of sales	39,551	49,132
Gross earnings	32,007	37,162
Selling and administrative expenses	23,756	26,776
Earnings from operations	8,251	10,386
Interest income	905	139
Interest expense		(385)
Other expense, net	(95)	(130)
Earnings before provision for income taxes	9,061	10,010
Provision for income taxes	2,411	2,565
Net earnings	$ 6,650	$ 7,445
Basic weighted average shares outstanding (in shares)	9,436	9,483
Diluted weighted average shares outstanding (in shares)	9,580	9,545
Basic earnings per share (in dollars per share)	$ 0.70	$ 0.79
Diluted earnings per share (in dollars per share)	0.69	0.78
Cash dividends declared (per share) (in dollars per share)	$ 0.25	$ 0.24
Comprehensive income	$ 5,631	$ 7,238