Note 3- Business Segment Information (Details) - Revenue by Geographic Region (USD $)	3 Months Ended				6 Months Ended
	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2014	Dec. 31, 2013
Net Sales (a):
Net Sales	$ 84,715,000	[1]	$ 76,123,000	[1]	$ 163,181,000	$ 156,609,000
UNITED STATES
Net Sales (a):
Net Sales	84,715,000	[1]	76,060,000	[1]	163,140,000	155,733,000
CANADA
Net Sales (a):
Net Sales		[1]	$ 63,000	[1]	$ 41,000	$ 876,000

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