XML 57 R39.htm IDEA: XBRL DOCUMENT v3.19.3
Note 5 - Share-based Compensation (Details Textual) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended
Jun. 05, 2019
Feb. 19, 2019
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Sep. 30, 2019
Sep. 30, 2018
Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation               $ 167    
Share Price $ 38.61                  
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture, Total     $ 473 $ 402 $ 294 $ 272 $ 454 $ 237    
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total     2,800           $ 2,800  
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition                 3 years 182 days  
The 2003 Incentive Plan [Member] | Chairman Chief Executive Officer and President [Member] | Common Stock [Member]                    
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture, Total   $ 400                
Director [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures, Total 16,536                  
Share-based Payment Arrangement [Member]                    
Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation     $ 176     $ 289     $ 524 $ 649
Employee and Nonemployee Stock Option [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value                 867 1,200
Proceeds from Stock Options Exercised                 $ 562 $ 1,300
Restricted Stock Units (RSUs) [Member]                    
Share-based Payment Arrangement, Shares Withheld for Tax Withholding Obligation                 8,132 5,238
Shares Paid for Tax Withholding for Share Based Compensation Market Price                 $ 33.35 $ 27.60