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Note 9 - Equity Compensation (Details) - Summary of Unvested Stock Options - $ / shares | 12 Months Ended
--- | ---
Jun. 30, 2015 | Jun. 30, 2014 | Jun. 30, 2013
Summary of Unvested Stock Options [Abstract] |  |  |
Non-vested at June 30, 2014 | 803,138 |  |
Non-vested at June 30, 2014 | $ 2.39 |  |
Granted | 734,323 | 436,000 | 414,750
Granted | $ 3.27 | $ 2.67 | $ 2.11
Vested | (355,513) |  |
Vested | $ 2.31 |  |
Forfeited | (101,750) |  |
Forfeited | $ 2.64 |  |
Non-vested at June 30, 2015 | 1,080,198 | 803,138 |
Non-vested at June 30, 2015 | $ 2.99 | $ 2.39 |

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- Definition Gross number of share options (or share units) granted during the period. + References No definition available. + Details
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- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Weighted average grant-date fair value of non-vested options forfeited. + References No definition available. + Details
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