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Note 8 - Restricted Share Activity (Details) - 6 months ended Jun. 30, 2015 - Restricted Stock [Member] - $ / shares
Total
Unvested (in shares) 107,639
Unvested (in dollars per share) $ 2
Granted (in shares) 0
Granted (in dollars per share) $ 0
Vested (in shares) (20,321)
Vested (in dollars per share) $ 2.09
Forfeited (in shares) 0
Forfeited (in dollars per share) $ 0
Unvested (in shares) 87,318
Unvested (in dollars per share) $ 1.98