Note 3 - Segment Reporting Information (Details) - Revenue by Geographic Region - USD ($) $ in Thousands		3 Months Ended
		Sep. 30, 2015	Sep. 30, 2014
Net Sales (a):
Net sales	[1]	$ 85,925	$ 78,466
UNITED STATES
Net Sales (a):
Net sales	[1]	$ 85,925	78,425
CANADA
Net Sales (a):
Net sales	[1]		$ 41

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