Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Condensed Consolidated Statements Of Operations
Net sales	$ 39,751	$ 38,849	$ 71,460	$ 66,595
Cost of goods sold	25,039	24,366	44,624	41,548
Gross profit	14,712	14,483	26,836	25,047
Selling, general and administrative expenses	11,087	10,572	21,846	19,922
Operating income	3,625	3,911	4,990	5,125
Non-operating items:
Interest expense, net	445	321	850	583
Other expense (income), net	74	(29)	61	(16)
Total other expense, net	519	292	911	567
Income before income tax expense	3,106	3,619	4,079	4,558
Income tax expense	670	773	879	1,052
Net income	$ 2,436	$ 2,846	$ 3,200	$ 3,506
Basic earnings per share	$ .72	$ .85	$ .95	$ 1.05
Diluted earnings per share	$ .67	$ .75	$ .88	$ .94
Weighted average number of common shares outstanding - denominator used for basic per share computations	3,374,000	3,353,000	3,374,000	3,342,000
Weighted average number of dilutive stock options outstanding	250,000	427,000	268,000	402,000
Denominator used for diluted per share computations	3,624,000	3,780,000	3,642,000	3,744,000
Dividends declared per share	$ .11	$ .11	$ .22	$ .21