XML 106 R93.htm IDEA: XBRL DOCUMENT v3.19.1
Note 13 - Employee Benefits (Details Textual) - USD ($)
12 Months Ended
Dec. 14, 2018
Dec. 31, 2018
Dec. 31, 2017
Defined Contribution Plan, Employer Matching Contribution, Percent of Match   4.00%  
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay   25.00%  
Defined Contribution Plan, Cost   $ 172,000 $ 141,000
Allocated Share-based Compensation Expense, Total   482,000 361,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options   596,000 850,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value   $ 413,000 1,500,000
Restricted Stock [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 5 years 1 year  
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Share-based Awards Other than Options   $ 473,000 $ 242,000
Employee Stock Option [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period   5 years 5 years
Employee Service Share-based Compensation, Tax Benefit from Compensation Expense   $ 12,000 $ 13,000
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant   11,612 5,991
Restricted Stock Awards or Units [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant   93,074 111,824
Share-based Compensation Arrangement by Share-based Payment, Reduction of Shares Over Threshold   3  
Safe Harbor [Member]      
Defined Contribution Plan, Employer Discretionary Contribution Amount   $ 752,000 $ 636,000