Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Condensed Consolidated Statements Of Operations
Net sales	$ 44,847	$ 44,042	$ 88,372	$ 79,817
Cost of goods sold	28,694	27,989	56,632	50,234
Gross profit	16,153	16,053	31,740	29,583
Selling, general and administrative expenses	12,364	11,670	24,983	23,191
Operating income	3,789	4,383	6,757	6,392
Non-operating items:
Interest expense	(226)	(245)	(452)	(568)
Interest income	3	11	9	14
Interest expense, net	(223)	(234)	(443)	(554)
PPP loan forgiveness	3,508		3,508
Other (expense) income, net	(68)	1	(145)	(37)
Total other income (expense), net	3,440	1	3,363	(37)
Income before income tax expense	7,006	4,150	9,677	5,801
Income tax (benefit) expense	(224)	951	400	1,325
Net income	$ 7,230	$ 3,199	$ 9,277	$ 4,476
Basic earnings per share	$ 2.16	$ 0.96	$ 2.72	$ 1.34
Diluted earnings per share	$ 1.82	$ 0.92	$ 2.34	$ 1.28
Weighted average number of common shares outstanding-denominator used for basic per share computations	3,347,000	3,349,000	3,410,000	3,344,000
Weighted average number of dilutive stock options outstanding	617,000	132,000	551,000	155,000
Denominator used for diluted per share computations	3,964,000	3,481,000	3,961,000	3,499,000
Dividends declared per share	$ 0.13	$ 0.12	$ 0.26	$ 0.24