Note G - Economic Dependency (Tables)

3 Months Ended

Sep. 30, 2015

Supplier Concentration Risk [Member]

Notes Tables

Schedules of Concentration of Risk, by Risk Factor [Table Text Block]

	Three Months Ended September 30,
	2015					2014
	Raw Material Purchases by Supplier		% of Total Raw Material Purchases			Raw Material Purchases by Supplier		% of Total Raw Material Purchases
Supplier 1	$	3,051		20	%	(a)		(a)
Supplier 2	(a)		(a)			$	1,034		11	%
Supplier 3	(a)		(a)				918		10
	$	3,051		20	%	$	1,952		21	%

Customer Concentration Risk [Member]

Notes Tables

Schedules of Concentration of Risk, by Risk Factor [Table Text Block]

	Three Months Ended September 30,
	2015					2014
	Net Sales by Customer		% of Total Net Sales			Net Sales by Customer		% of Total Net Sales
Customer 1	$	6,789		42	%	$	6,997		40	%
Customer 2		3,035		19		(a)		(a)
Customer 3		1,730		11			2,908		17
Customer 4	(a)		(a)				2,209		13
	$	11,554		72	%	$	12,114		70	%