Note 3- Segment Reporting Information (Details) - Revenue by Geographic Region (USD $)	3 Months Ended				9 Months Ended
	Mar. 31, 2015		Mar. 31, 2014		Mar. 31, 2015		Mar. 31, 2014
Net Sales (a):
Net Sales	$ 68,603,000	[1]	$ 68,996,000	[1]	$ 231,784,000	[1]	$ 225,605,000	[1]
UNITED STATES
Net Sales (a):
Net Sales	68,603,000	[1]	68,711,000	[1]	231,743,000	[1]	224,444,000	[1]
CANADA
Net Sales (a):
Net Sales		[1]	$ 285,000	[1]	$ 41,000	[1]	$ 1,161,000	[1]

[1] Net sales are attributed to geographic areas based upon the location of the operation making the sale.