Annual report pursuant to Section 13 and 15(d)

Note 8 - Stock Options Activity (Details)

v3.3.1.900
Note 8 - Stock Options Activity (Details) - $ / shares
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Outstanding, Number of Shares (in shares) 314,775
Outstanding, Weighted Average Exercise Price (in dollars per share) $ 2.23
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross 240,160 321,895
Granted at Market Price, Weighted Average Exercise Price (in dollars per share) $ 8.16 $ 2.04
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period 445
Exercised, Weighted Average Exercise Price (in dollars per share) $ 1.20
Cancelled, Number of Shares (in shares) (77,031) (7,120)
Cancelled, Weighted Average Exercise Price (in dollars per share) $ 7.88 $ 1.20
Outstanding, Number of Shares (in shares) 477,459 314,775
Outstanding, Weighted Average Exercise Price (in dollars per share) $ 4.30 $ 2.23
Outstanding, Weighted Average Fair Value (in dollars per share) $ 2.01 $ 0.92
Exercised, Number of Shares (in shares) (445)
Outstanding, Weighted Average Remaining Contractual Life 8 years 255 days  
Exercisable, Number of Shares (in shares) 178,856  
Exercisable, Weighted Average Exercise Price (in dollars per share) $ 3.08  
Exercisable, Weighted Average Fair Value (in dollars per share) $ 1.36  
Exercisable, Weighted Average Remaining Contractual Life 8 years 73 days