Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022	Mar. 31, 2021
Income Statement [Abstract]
Net sales	$ 60,479	$ 54,944	$ 183,311	$ 158,408
Cost of goods sold	39,459	36,795	123,197	107,082
Gross margin	$ 21,020	$ 18,149	$ 60,114	$ 51,326
% of Net sales	34.80%	33.00%	32.80%	32.40%
Restructuring charges	$ 658	$ 788	$ 658	$ 1,518
Gain on sale of building	0	0	0	(3,204)
Selling, general and administrative expenses	14,988	13,511	45,750	41,126
Operating income	5,374	3,850	13,706	11,886
Other income, net	684	663	249	236
Income before income taxes	6,058	4,513	13,955	12,122
Income tax expense	1,774	1,496	3,911	1,132
Net income	$ 4,284	$ 3,017	$ 10,044	$ 10,990
Basic income per share (in dollars per share)	$ 0.59	$ 0.42	$ 1.39	$ 1.56
Diluted income per share (in dollars per share)	$ 0.57	$ 0.41	$ 1.34	$ 1.50
Weighted average outstanding shares used in per share calculations:
Basic (in shares)	7,256	7,104	7,208	7,058
Diluted (in shares)	7,492	7,390	7,480	7,335