XML 44 R33.htm IDEA: XBRL DOCUMENT v3.8.0.1
Note E - Stock Based Compensation (Details Textual) - USD ($)
3 Months Ended
Mar. 02, 2006
Mar. 31, 2018
Mar. 31, 2017
May 29, 2018
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value   $ 39,000 $ 109,000  
Allocated Share-based Compensation Expense, Total   $ 233,000 $ 115,000  
Allocated Share-based Compensation Expense, Impact on Earnings Per Share, Basic and Diluted   $ 0.03 $ 0.01  
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Total   $ 1,171,000 $ 194,000  
Proceeds from Stock Options Exercised   168,000 46,000  
Subsequent Event [Member]        
Share Price       $ 36.35
Amortization, Current Year [Member]        
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Total   482,000    
Amortization Year 2 [Member]        
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Total   552,000    
Amortization, Year 3 [Member]        
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Total   $ 137,000    
Restricted Stock [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value [1]      
Nonqualified Options [Member] | Annual Grant to Non-employee [Member]        
Allocated Share-based Compensation Expense, Total     $ 70,000  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Grants in Period     614  
Accrual Ashares to Each Non-employee Director [Member]        
Allocated Share-based Compensation Expense, Total   $ 70,000    
The 2006 Stock Option Plan [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized 750,000      
The 2014 Stock Option Plan [Member]        
Number of Common Stock Accrued Under Share-based Compensation Plan for Each Non-employee Director   276    
The 2014 Stock Option Plan [Member] | Stock Award [Member] | Director [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value   $ 36.35    
The 2014 Stock Option Plan [Member] | Minimum [Member] | Restricted Stock [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent 85.00%      
The 2014 Stock Option Plan [Member] | Minimum [Member] | Nonqualified Options [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period   5 years    
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage   20.00%    
The 2014 Stock Option Plan [Member] | Maximum [Member] | Nonqualified Options [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period   10 years    
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage   25.00%    
[1] The weighted-average grant date fair value was based on the closing price of the Company's stock on the date of the grant.