QUARTERLY FINANCIAL INFORMATION (unaudited)- Summary of Quarterly Financial Data (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Quarterly Financial Information Disclosure [Abstract]
Net sales	$ 70,390	$ 60,479	$ 61,318	$ 61,514	$ 61,235	$ 54,944	$ 54,054	$ 49,411	$ 253,701	$ 219,644	$ 201,451
Gross Margin	24,131	21,020	18,950	20,145	22,016	18,149	17,605	15,572	84,246	73,342	62,210
Earnings / (Loss) Before Income Taxes	7,563	6,058	3,539	4,359	5,304	4,513	5,775	1,834	21,519	17,426	(19,997)
Net Earnings / (Loss)	$ 4,834	$ 4,284	$ 2,528	$ 3,232	$ 4,543	$ 3,017	$ 3,857	$ 4,116	$ 14,878	$ 15,533	$ (21,839)
Basic Earnings / (Loss) Per Share	$ 0.67	$ 0.59	$ 0.35	$ 0.45	$ 0.65	$ 0.42	$ 0.54	$ 0.59	$ 2.06	$ 2.20	$ (3.14)
Diluted Earnings / (Loss) Per Share	$ 0.65	$ 0.57	$ 0.34	$ 0.44	$ 0.60	$ 0.41	$ 0.53	$ 0.57	$ 2.00	$ 2.11	$ (3.14)