Annual report pursuant to Section 13 and 15(d)

Note 12 - Stock-based Compensation - Summary of Stock Option and SARs Activity (Details)

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Note 12 - Stock-based Compensation - Summary of Stock Option and SARs Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Outstanding (in shares) 102,680  
Outstanding (in dollars per share) $ 46.71  
Outstanding (Year) 5 years 153 days 2 years 270 days
Granted (in shares) 87,871  
Granted (in dollars per share) $ 1.60  
Granted (Year) 9 years 292 days  
Exercised (in shares) 0  
Forfeited or expired (in shares) 0  
Outstanding (in shares) 190,551 102,680
Outstanding (in dollars per share) $ 25.80 $ 46.71
Outstanding $ 632  
Exercisable (in shares) 117,334  
Exercisable (in dollars per share) $ 41.05  
Exercisable (Year) 2 years 251 days  
Exercisable $ 106  
Vested and expected to vest (in shares) 183,229  
Vested and expected to vest (in dollars per share) $ 26.88  
Vested and expected to vest (Year) 5 years 91 days  
Vested and expected to vest $ 580