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Note 11 - Summary of Restricted Stock Awards (Details) - Restricted Stock [Member] - $ / shares
12 Months Ended
Jun. 30, 2015
Outstanding (in shares) 8,750
Outstanding at June 30, 2014 (in dollars per share) $ 3.93
Awarded (in shares)  
Granted (in dollars per share)  
Outstanding (in shares) 8,750
Unvested at June 30, 2015 (in dollars per share) $ 3.93