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STOCK BASED COMPENSATION PLANS - Range of Exercise Prices (Details 3) - Stock options - $ / shares
Mar. 31, 2016
Dec. 31, 2015
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2014
Jun. 30, 2014
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]            
Options Outstanding 610,141 658,474 538,888 533,888 448,888 120,000
Options Exercisable 257,225   33,335      
Range of Exercise Prices $1.62 to $1.68            
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]            
Options Outstanding 75,000   75,000      
Options Exercisable 25,002        
Range of Exercise Prices $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      
Range of Exercise Prices $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   1.68      
Range of Exercise Prices $1.80            
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]            
Range of Exercise Prices $ 1.80   $ 1.80      
Options Outstanding 295,555   328,888      
Options Exercisable 195,555        
Range of Exercise Prices $2.05            
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]            
Range of Exercise Prices $ 2.05   $ 2.05      
Options Outstanding 100,000   100,000      
Options Exercisable 33,335   33,335      
Range of Exercise Prices $2.09            
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]            
Range of Exercise Prices $ 2.09   $ 2.09      
Options Outstanding 10,000   10,000      
Options Exercisable 3,333        
Range of Exercise Prices $2.75            
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]            
Range of Exercise Prices $ 2.75   $ 2.75      
Options Outstanding 25,000   25,000      
Options Exercisable        
Range of Exercise Prices $2.94            
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]            
Range of Exercise Prices $ 2.94   $ 2.94      
Options Outstanding 75,000          
Options Exercisable          
Range of Exercise Prices $3.38            
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]            
Range of Exercise Prices $ 3.38   $ 3.38      
Options Outstanding 29,586        
Options Exercisable