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Note 3 - Term Deposits (Tables)
 6 Months Ended
Dec. 31, 2021
Notes Tables  
Term Deposits [Table Text Block]
  

Dec. 31,

2021

(Unaudited)

  

June 30,

2021

 
         

Short-term deposits

 $5,032  $6,353 

Currency translation effect on short-term deposits

  (35

)

  298 

Total short-term deposits

  4,997   6,651 

Restricted term deposits

  1,742   1,682 

Currency translation effect on restricted term deposits

  (9

)

  59 

Total restricted term deposits

  1,735   1,741 

Total term deposits

 $6,732  $8,392