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STOCK-BASED COMPENSATION PLANS (Details) - Restricted share awards
1 Months Ended 3 Months Ended 6 Months Ended 25 Months Ended
Mar. 06, 2015
officer
shares
May 31, 2018
shares
Jun. 30, 2017
shares
May 31, 2016
shares
Jun. 30, 2018
USD ($)
Jun. 30, 2017
USD ($)
Jun. 30, 2018
USD ($)
Jun. 30, 2017
USD ($)
Mar. 31, 2017
Share-based compensation plans                  
Unrecognized compensation expense | $         $ 125,000   $ 125,000    
Independent Directors                  
Share-based compensation plans                  
Granted to each individual (in shares) | shares   3,378 3,195 3,392          
Granted (in shares) | shares   10,134 9,585 10,176          
Award vesting period   1 year 1 year 1 year          
Stock-based compensation expense | $         48,000 $ 29,000 86,000 $ 77,000  
Executive Officers                  
Share-based compensation plans                  
Granted (in shares) | shares 2,000                
Award vesting period                 2 years
Stock-based compensation expense | $         $ 0 $ 0 $ 0 $ 1,000  
Number of executive officers | officer 2                
Requisite service period                 2 years
Executive Officers | Immediate                  
Share-based compensation plans                  
Award vesting percent                 33.33%
Executive Officers | Vesting Within First Year                  
Share-based compensation plans                  
Award vesting percent                 33.33%
Executive Officers | Vesting Within Second Year                  
Share-based compensation plans                  
Award vesting percent                 33.33%