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Note 3 - Segment Reporting Information (Details) - Revenue by Geographic Region - USD ($) $ in Thousands | 3 Months Ended
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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.

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- Definition Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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