Note G - Economic Dependency - Substantial Net Sales to Certain Customers (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Dec. 31, 2015		Dec. 31, 2014	Dec. 31, 2015		Dec. 31, 2014
Sales Revenue, Goods, Net [Member] | Customer Concentration Risk [Member] | Customer 1 [Member]
Revenue, Net	$ 11,902		$ 8,951	$ 18,691		$ 15,948
Concentration Risk, Percentage	55.00%		54.00%	49.00%		47.00%
Sales Revenue, Goods, Net [Member] | Customer Concentration Risk [Member] | Customer 2 [Member]
Revenue, Net	$ 3,304		$ 1,753	$ 6,339			[1]
Concentration Risk, Percentage	15.00%		10.00%	17.00%			[1]
Sales Revenue, Goods, Net [Member] | Customer Concentration Risk [Member] | Customer 3 [Member]
Revenue, Net		[1]	$ 1,683		[1]	$ 4,591
Concentration Risk, Percentage		[1]	10.00%		[1]	13.00%
Sales Revenue, Goods, Net [Member] | Customer Concentration Risk [Member] | Customer 4 [Member]
Revenue, Net		[1]	$ 1,915		[1]	$ 4,124
Concentration Risk, Percentage		[1]	11.00%		[1]	12.00%
Sales Revenue, Goods, Net [Member] | Customer Concentration Risk [Member]
Revenue, Net	$ 15,206		$ 14,302	$ 25,030		$ 24,663
Concentration Risk, Percentage	70.00%		85.00%	66.00%		72.00%
Revenue, Net	$ 26,911		$ 18,618	$ 48,496		$ 37,313

[1] Sales were less than 10% of the respective period's total private label contract manufacturing net sales.