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STOCK BASED COMPENSATION PLANS - Summary of information related to options (Details 4) - Stock options - $ / shares
12 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2013
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]        
Options, Outstanding 610,141 538,888 120,000
Options Outstanding, Remaining Contractual Life 5 years 5 months 1 day 6 years 2 months 16 days 6 years 11 months 19 days  
Options Exercisable 298,893 33,335    
Options Exercisable, Remaining Contractual Life 5 years 2 months 1 day 5 years 11 months 19 days    
Options Exercisable, Weighted Average Exercise Price $ 1.87 $ 2.05    
$1.62 to $1.68        
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]        
Options, Outstanding 75,000      
Options Outstanding, Remaining Contractual Life 5 years 6 months 4 days      
Options Exercisable 25,002      
Options Exercisable, Remaining Contractual Life 5 years 6 months 4 days      
Options Exercisable, Weighted Average Exercise Price $ 1.65      
$1.62 to $1.68 | Minimum        
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]        
Range of Exercise Prices 1.62      
$1.62 to $1.68 | Maximum        
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]        
Range of Exercise Prices 1.68      
$1.80        
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]        
Range of Exercise Prices $ 1.80      
Options, Outstanding 295,555      
Options Outstanding, Remaining Contractual Life 5 years 1 month 28 days      
Options Exercisable 195,555      
Options Exercisable, Remaining Contractual Life 5 years 1 month 28 days      
Options Exercisable, Weighted Average Exercise Price $ 1.80      
$2.05        
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]        
Range of Exercise Prices $ 2.05      
Options, Outstanding 100,000      
Options Outstanding, Remaining Contractual Life 4 years 11 months 19 days      
Options Exercisable 66,670      
Options Exercisable, Remaining Contractual Life 4 years 11 months 19 days      
Options Exercisable, Weighted Average Exercise Price $ 2.05      
$2.09        
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]        
Range of Exercise Prices $ 2.09      
Options, Outstanding 10,000      
Options Outstanding, Remaining Contractual Life 5 years 6 months 29 days      
Options Exercisable 3,333      
Options Exercisable, Remaining Contractual Life 5 years 6 months 29 days      
Options Exercisable, Weighted Average Exercise Price $ 2.09      
$2.75        
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]        
Range of Exercise Prices $ 2.75      
Options, Outstanding 25,000      
Options Outstanding, Remaining Contractual Life 5 years 9 months 7 days      
Options Exercisable 8,333      
Options Exercisable, Remaining Contractual Life 5 years 9 months 7 days      
Options Exercisable, Weighted Average Exercise Price $ 2.75      
$2.94        
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]        
Range of Exercise Prices $ 2.94      
Options, Outstanding 75,000      
Options Outstanding, Remaining Contractual Life 6 years 6 months 11 days      
$3.38        
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]        
Range of Exercise Prices $ 3.38      
Options, Outstanding 29,586      
Options Outstanding, Remaining Contractual Life 6 years 22 days