Geographical Data (Detail) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2016	Mar. 31, 2015	Jun. 30, 2015
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Net Sales	[1]	$ 19,808	$ 17,894	$ 58,454	$ 54,801
Total Identifiable Assets		62,399		62,399		$ 65,037
Domestic [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	[1]	19,229	17,076	56,515	52,523
Foreign [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	[1]	579	$ 818	1,939	$ 2,278
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Identifiable Assets		49,249		49,249		50,998
Dominican Republic [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Identifiable Assets	[2]	$ 13,150		$ 13,150		$ 14,039

[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.

[2] Consists primarily of inventories (March 31, 2016 = $9,666, June 30, 2015 = $10,546) and fixed assets (March 31, 2016 = $3,244, June 30, 2015 = $3,347) located at the Company's principal manufacturing facility in the Dominican Republic.