Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Income Statement [Abstract]
Net sales	$ 45,958	$ 44,956
Cost of goods sold	28,041	27,560
Gross profit	17,917	17,396
Selling, general and administrative expenses	15,491	14,838
Operating income	2,426	2,558
Non-operating items:
Interest expense	426	476
Interest income	(29)	(33)
Interest expense, net	397	443
Other income, net	(90)	(44)
Income before income tax expense	2,119	2,159
Income tax expense	466	523
Net income	$ 1,653	$ 1,636
Basic earnings per share	$ 0.44	$ 0.45
Diluted earnings per share	$ 0.41	$ 0.39
Weighted average number of common shares outstanding-denominator used for basic per share computations	3,754,000	3,650,000
Weighted average number of dilutive stock options outstanding	311,000	563,000
Denominator used for diluted per share computations	4,065,000	4,213,000
Dividends declared per share	$ 0.15	$ 0.15