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Note 12 - Supplemental Cash Flow Information (Tables) | 12 Months Ended
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Jun. 30, 2015
Supplemental Cash Flow Elements [Abstract] |
Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] |
(In thousands) |  | 201 5 |  |  | 2014 |  |  | 2013 |
Cash payments: |  |  |  |  |  |  |  |  |  |  |  |
Interest |  | $ | 48 |  |  | $ | 76 |  |  | $ | 76 |
Income taxes |  | $ | 1,078 |  |  | $ | 978 |  |  | $ | 3,404 |
Issuance of common shares as compensation |  | $ | 191 |  |  | $ | 193 |  |  | $ | 57 |

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- Definition Tabular disclosure of supplemental cash flow information for the periods presented. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | na
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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | na
Period Type: | duration