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Note 10 - Summary of Unvested Stock Options (Details) | 6 Months Ended
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Dec. 31, 2015 $ / shares shares
Non-vested at (in shares) | shares | 1,080,198
Non-vested at (in dollars per share) | $ / shares | $ 2.99
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | shares | 1,016,800
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value | $ / shares | $ 3.63
Vested (in shares) | shares | (355,462)
Vested (in dollars per share) | $ / shares | $ 2.91
Forfeited (in shares) | shares | (30,050)
Forfeited (in dollars per share) | $ / shares | $ 3.30
Non-vested at (in shares) | shares | 1,711,486
Non-vested at (in dollars per share) | $ / shares | $ 3.38

X
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X
- 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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