Geographical Data (Detail) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Jun. 30, 2015
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Net Sales	[1]	$ 20,497	$ 19,571	$ 38,646	$ 36,907
Total Identifiable Assets		61,460		61,460		$ 65,037
Domestic [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	[1]	19,729	18,876	37,286	35,448
Foreign [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	[1]	768	$ 695	1,360	$ 1,459
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Identifiable Assets		47,929		47,929		50,998
Dominican Republic [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Identifiable Assets	[2]	$ 13,531		$ 13,531		$ 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 (December 31, 2015 = $10,070, June 30, 2015 = $10,546) and fixed assets (December 31, 2015 = $3,279, June 30, 2015 = $3,347) located at the Company's principal manufacturing facility in the Dominican Republic.