QUARTERLY RESULTS (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Net Sales	$ 25,684	$ 20,807	$ 20,715	$ 20,168	$ 24,059	$ 19,808	$ 20,497	$ 18,149	$ 87,374	$ 82,513	$ 77,762	[1]
Gross Profit	9,846	6,663	6,617	6,452	9,638	6,108	6,201	5,637	29,578	27,584	26,047
Income from Operations	3,462	1,136	1,064	716	3,756	1,217	1,026	324	6,378	6,323	5,281
Net Income	$ 3,222	$ 952	$ 857	$ 568	$ 3,438	$ 1,044	$ 976	$ 315	$ 5,599	$ 5,773	$ 4,845
Net Income Per Share
Basic EPS	$ 0.17	$ 0.05	$ 0.05	$ 0.03	$ 0.18	$ 0.06	$ 0.05	$ 0.02	$ 0.3	$ 0.31	$ 0.25
Diluted EPS	$ 0.17	$ 0.05	$ 0.05	$ 0.03	$ 0.18	$ 0.06	$ 0.05	$ 0.02	$ 0.3	$ 0.31	$ 0.25

[1] All of the Company's sales originate in the United States and are shipped primarily from the Company's facilities in the United States. There were no sales into any one foreign country in excess of 10% of total Net Sales.