Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Condensed Consolidated Statements Of Operations
Net sales	$ 47,923	$ 43,316	$ 136,295	$ 123,133
Cost of goods sold	30,918	28,360	87,550	78,594
Gross profit	17,005	14,956	48,745	44,539
Selling, general and administrative expenses	14,044	12,832	39,028	36,023
Operating income	2,961	2,124	9,717	8,516
Non-operating items:
Interest expense	(230)	(173)	(682)	(742)
Interest income	2	5	11	20
Interest expense, net	(228)	(168)	(671)	(722)
PPP loan forgiveness			3,508
Other (expense) income, net	(68)	35	(213)	(2)
Total other (expense) income, net	(68)	35	3,295	(2)
Income before income tax expense	2,665	1,991	12,341	7,792
Income tax expense	619	412	1,019	1,737
Net income	$ 2,046	$ 1,579	$ 11,322	$ 6,055
Basic earnings per share	$ 580	$ 470	$ 3,280	$ 1,810
Diluted earnings per share	$ 0.50	$ 0.46	$ 2.85	$ 1.75
Weighted average number of common shares outstanding-denominator used for basic per share computations	3,542,000	3,340,000	3,449,000	3,343,000
Weighted average number of dilutive stock options outstanding	516,000	122,000	520,000	111,000
Denominator used for diluted per share computations	4,058,000	3,462,000	3,969,000	3,454,000
Dividends declared per share	$ 0.13	$ 0.12	$ 0.39	$ 0.36