Consolidated Statements Of Income And Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2024	Mar. 31, 2023
Consolidated Statements Of Income And Comprehensive Income [Abstract]
Net sales	$ 107,219	$ 99,052	$ 301,930	$ 287,873
Cost of goods sold	83,902	80,407	238,253	238,041
Gross profit	23,317	18,645	63,677	49,832
Selling, general and administrative expenses	17,708	16,529	51,566	45,967
Environmental remediation				(2,788)
Restructuring expense	2,627		2,627
Other expense				347
Operating income	2,982	2,116	9,484	6,306
Interest expense	336	260	1,395	897
Other (income)	(14)	(12)	(14)	(11)
Income before income taxes	2,660	1,868	8,103	5,420
Income tax provision	857	393	2,497	803
Net income and comprehensive income	$ 1,803	$ 1,475	$ 5,606	$ 4,617
Weighted average number of common shares outstanding:
Basic	5,154	5,179	5,175	5,249
Diluted	5,448	5,352	5,410	5,427
Earnings per share of common stock:
Basic	$ 0.35	$ 0.28	$ 1.08	$ 0.88
Diluted	$ 0.33	$ 0.28	$ 1.04	$ 0.85