XML 103 R90.htm IDEA: XBRL DOCUMENT v3.6.0.2
Note 16 - Stock-based Compensation Plan (Details Textual) - USD ($)
12 Months Ended
Feb. 17, 2015
Dec. 31, 2016
Dec. 31, 2015
Restricted Stock [Member]      
Allocated Share-based Compensation Expense   $ 82,000 $ 71,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value   132,000  
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized   $ 300,000  
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition   3 years 182 days  
Restricted Stock [Member] | Officers, Directors and Key Employees [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period 19,500    
Share Price $ 24.50    
Stock Issued During Period, Value, Restricted Stock Award, Gross $ 478,000    
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 5 years    
Equity Incentive Plan 2009 [Member]      
Maximum Fair Value of First Exercisable Stock Incentive Options   $ 100,000  
Equity Incentive Plan 2009 [Member] | Common Stock [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized   223,000  
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant   204,000  
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period   10 years