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ORGANIZATION AND SIGNIFICANT ACCOUNTING POLICIES - Earnings per Share (Details) - $ / shares
12 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2015
Earnings Per Share      
Series A Preferred Stock units outstanding (in shares) 1,791 0  
Series A Preferred Stock | If net income had been earned      
Earnings Per Share      
Common shares included in fully diluted earnings per share (in shares) 1,545,776    
Stock options      
Earnings Per Share      
Stock options (in shares) 1,110,165 1,016,997 1,181,954
Average exercise price of common stock (in dollars per share) $ 3.19 $ 7.43 $ 8.76
Stock options | If net income had been earned      
Earnings Per Share      
Common shares included in fully diluted earnings per share (in shares) 25,000 25,000  
Stock options      
Earnings Per Share      
Potentially dilutive securities excluded from the computation of dilutive net loss per common share 1,100,000 1,000,000