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STOCK-BASED COMPENSATION (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2019
Dec. 31, 2018
Stock-based compensation        
Stock-based compensation expense $ 1,538 $ 1,625 $ 3,639 $ 4,070
Stock-based compensation awards granted (in shares)     100,866 175,470
Stock options        
Stock-based compensation        
Stock-based compensation expense 26 33 $ 57 $ 154
Stock options granted (in shares)     1,604 6,430
Unrecognized compensation expense 136   $ 136  
Weighted-average vesting period (years)     1 year 9 months 18 days  
Stock appreciation rights        
Stock-based compensation        
Stock-based compensation expense 430 408 $ 872 $ 1,175
Other than options granted (in shares)     46,726 69,360
Unrecognized compensation expense 2,624   $ 2,624  
Weighted-average vesting period (years)     2 years  
Restricted stock        
Stock-based compensation        
Stock-based compensation expense 697 677 $ 1,940 $ 1,956
Other than options granted (in shares)     23,976 42,260
Unrecognized compensation expense 5,555   $ 5,555  
Weighted-average vesting period (years)     3 years 1 month 6 days  
Performance stock        
Stock-based compensation        
Stock-based compensation expense 385 $ 507 $ 770 $ 785
Other than options granted (in shares)     28,560 57,420
Unrecognized compensation expense $ 2,191   $ 2,191  
Weighted-average vesting period (years)     1 year 10 months 24 days  
Performance stock | Maximum        
Stock-based compensation        
Earn out basis if all goals are met (as a percent) 200.00%   200.00%