INTANGIBLE ASSETS, NET (Tables)
 12 Months Ended
Jun. 30, 2018
Intangible Assets, Net (Excluding Goodwill) [Abstract]  
Schedule Of Finite Lived Intangible Assets Acquired As Part Of Business Combination [Table Text Block]
  
June 30,
 
  
2017
  
2018
 
  
Gross
carrying
value
  
Accumulated
amortization
  
Net
carrying
value
  
Gross
carrying
value
  
Accumulated
amortization
  
Net
carrying
value
 
                   
Customer relationships $3,086   (2,811)  275  $3,114   (3,114)  - 
Patents and copyrights  1,695   (42)  1,653   3,752   (566)  3,186 
                         
  $4,781   (2,853)  1,928  $6,866   (3,680)  3,186 
Schedule of Expected Amortization Expense [Table Text Block]
The annual amortization expense relating to the existing intangible assets for the five succeeding years is as follow:
 
Year ending June 30,
   
2019 $491 
2020  491 
2021  491 
2022  491 
2023  491 
  $2,455