XML 80 R66.htm IDEA: XBRL DOCUMENT v3.8.0.1
Note 12 - Stock-based Compensation - Stock Option Activity (Details) - USD ($)
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Outstanding (in shares) 56,131 66,098 86,348
Granted (in shares) 0 0 0
Exercised (in shares) (11,063) (7,917) (20,250)
Canceled/forfeited/expired (in shares)    
Outstanding (in shares) 45,068 56,131 66,098
Options exercisable (in shares) 45,068    
Outstanding (in dollars per share) $ 10.85 $ 10.92 $ 11.09
Granted (in dollars per share)    
Exercised (in dollars per share) 11.13 11.41 11.65
Canceled/forfeited/expired (in dollars per share)    
Outstanding (in dollars per share) 10.79 $ 10.85 $ 10.92
Fully vested and exercisable (in dollars per share) $ 10.79    
Outstanding (Year) 2 years 292 days    
Fully vested and exercisable (Year) 2 years 292 days    
Outstanding [1] $ 1,065,600    
Fully vested and exercisable [1] $ 1,065,600    
[1] The intrinsic value of a stock option is the amount by which the market value of the underlying stock exceeds the exercise price of the option. The per share market value of our common stock, as determined by the closing price on December 29, 2017, was $34.43.