Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Income Statement [Abstract]
Net sales	$ 55,425	$ 53,336	$ 100,382	$ 99,175
Cost of goods sold	32,798	33,314	60,358	62,872
Gross profit	22,627	20,022	40,024	36,303
Selling, general and administrative expenses	16,252	14,772	31,090	28,865
Operating income	6,375	5,250	8,934	7,438
Non-operating items:
Interest expense	578	860	1,054	1,779
Interest income	(39)	(28)	(72)	(45)
Interest expense, net	539	832	982	1,734
Other income, net	(28)	(23)	(72)	(46)
Income before income tax expense	5,864	4,441	8,024	5,750
Income tax expense	1,412	998	1,935	1,318
Net income	$ 4,452	$ 3,443	$ 6,089	$ 4,432
Basic earnings per share	$ 1.21	$ 0.97	$ 1.66	$ 1.25
Diluted earnings per share	$ 1.09	$ 0.96	$ 1.47	$ 1.25
Weighted average number of common shares outstanding-denominator used for basic per share computations	3,679,000	3,555,000	3,664,000	3,548,000
Weighted average number of dilutive stock options outstanding	409,000	36,000	479,000
Denominator used for diluted per share computations	4,088,000	3,591,000	4,143,000	3,548,000
Dividends declared per share	$ 0.15	$ 0.14	$ 0.3	$ 0.28