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Note 6 - Property and Equipment (Tables)
9 Months Ended
Mar. 31, 2019
Notes Tables  
Property, Plant and Equipment [Table Text Block]
   
March 31,
   
June 30,
 
   
2019
   
2018
 
Land
  $
366
    $
366
 
Equipment
   
3,802
     
4,152
 
Leasehold improvements
   
4,143
     
4,136
 
Other
1
   
587
     
328
 
Property and equipment
   
8,898
     
8,982
 
Less accumulated depreciation
   
(7,334
)
   
(7,671
)
Property and equipment, net
  $
1,564
    $
1,311