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4. TRADE ACCOUNTS RECEIVABLE AND ALLOWANCE FOR DOUBTFUL ACCOUNTS (Tables)
12 Months Ended
Jun. 30, 2018
Trade Accounts Receivable And Allowance For Doubtful Accounts Tables  
Changes in the allowance for doubtful accounts
    For the Year Ended June 30,  
    2018     2017  
Beginning   $ 247     $ 270  
Additions charged to expenses     8       65  
Recovered     (1 )     (78 )
Write-off     -       (2 )
Currency translation effect     5       (8 )
Ending   $ 259     $ 247