Annual report pursuant to Section 13 and 15(d)

Note 10 - Share-based Compensation (Details Textual)

v3.7.0.1
Note 10 - Share-based Compensation (Details Textual) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2015
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term 2 years 146 days    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number 836,020 907,073  
Allocated Share-based Compensation Expense $ 1,300 $ 2,400 $ 1,200
Employee Service Share-based Compensation, Tax Benefit from Compensation Expense $ 500 $ 800 $ 500
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross 20,153    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Contractual Term 10 years    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value $ 8.30 $ 11.53 $ 11.30
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value $ 800 $ 300 $ 4,500
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition 1 year 292 days    
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized $ 700    
Independent Directors [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term 3 years    
Certain Executives Not Including Chief Executive Officer [Member]      
Vesting Condition, Cumulative Compound Growth Rate 5.00%    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number 196,000    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number 130,000    
Stock Appreciation Rights (SARs) [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross 0    
Restricted Stock Units (RSUs) [Member]      
Allocated Share-based Compensation Expense $ 806 $ 733  
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition 2 years 109 days    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period 90,280    
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized $ 300    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period    
Restricted Stock [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period 0    
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized $ 0    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period 0    
Maximum [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term 5 years    
Minimum [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term 3 years    
Stock Option Plan 1992 [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant 1,263,530    
Stock Option Plan 1992 [Member] | Maximum [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant 6,487,867