Annual report pursuant to Section 13 and 15(d)

Note 15 - Share Based Compensation - Restricted Stock Transactions (Details)

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Note 15 - Share Based Compensation - Restricted Stock Transactions (Details) - Restricted Stock [Member] - $ / shares
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Outstanding as of the beginning of year (in shares) 121,693
Non-Vested, weight average grant price (in dollars per share) $ 24.01  
Granted (in shares) 120,600 1,000
Granted, weight average grant price (in dollars per share) $ 12.63  
Vested, shares (in shares) 49,947
Vested, weight average grant price (in dollars per share) $ 24.85  
Outstanding as of the end of year (in shares) 192,346 121,693
Non-Vested, weight average grant price (in dollars per share) $ 22.32 $ 24.01