Note G - Economic Dependency (Details) - Substantial Net Sales to Certain Customers (USD $)	3 Months Ended		9 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014	Mar. 31, 2013
Concentration Risk [Line Items]
Net Sales by Customer	$ 19,127,000	$ 15,835,000	$ 52,757,000	$ 45,981,000
Customer 1 [Member] | Customer Concentration Risk [Member] | Sales Revenue, Net [Member]
Concentration Risk [Line Items]
Net Sales by Customer	6,321,000	7,304,000	16,849,000	22,172,000
% of Total Net Sales	36.00%	50.00%	35.00%	53.00%
Customer 2 [Member] | Customer Concentration Risk [Member] | Sales Revenue, Net [Member]
Concentration Risk [Line Items]
Net Sales by Customer	2,823,000	2,455,000	8,484,000	7,072,000
% of Total Net Sales	16.00%	17.00%	18.00%	17.00%
Customer 3 [Member] | Customer Concentration Risk [Member] | Sales Revenue, Net [Member]
Concentration Risk [Line Items]
Net Sales by Customer	2,921,000	1,483,000	7,960,000		[1]
% of Total Net Sales	17.00%	10.00%	17.00%		[1]
Customer Concentration Risk [Member] | Sales Revenue, Net [Member]
Concentration Risk [Line Items]
Net Sales by Customer	$ 12,065,000	$ 11,242,000	$ 33,293,000	$ 29,244,000
% of Total Net Sales	69.00%	77.00%	70.00%	70.00%

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