Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Condensed Consolidated Statements Of Operations
Net sales	$ 44,042	$ 40,220	$ 79,817	$ 71,590
Cost of goods sold	27,989	25,449	50,234	45,016
Gross profit	16,053	14,771	29,583	26,574
Selling, general and administrative expenses	11,670	11,003	23,191	21,271
Operating income	4,383	3,768	6,392	5,303
Non-operating items:
Interest expense	245	502	568	1,013
Interest income	(11)	(11)	(14)	(19)
Interest expense, net	234	491	554	994
Other (income) expense, net	(1)	14	37	12
Total other expense, net	233	505	591	1,006
Income before income tax expense	4,150	3,263	5,801	4,297
Income tax expense	951	592	1,325	819
Net income	$ 3,199	$ 2,671	$ 4,476	$ 3,478
Basic earnings per share	$ 0.96	$ 0.80	$ 1.34	$ 1.04
Diluted earnings per share	$ 0.92	$ 0.77	$ 1.28	$ 1.01
Weighted average number of common shares outstanding-denominator used for basic per share computations	3,349,000	3,351,000	3,344,000	3,351,000
Weighted average number of dilutive stock options outstanding	132,000	134,000	155,000	78,000
Denominator used for diluted per share computations	3,482,000	3,485,000	3,499,000	3,429,000
Dividends declared per share	$ 0.12	$ 0.12	$ 0.24	$ 0.24