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Note 5 - Property and Equipment (Tables)
 6 Months Ended
Dec. 31, 2019
Notes Tables  
Property, Plant and Equipment [Table Text Block]
   
December 31,
    
June 30,
  
   
2019
    
2019
  
Land
   $
366
     $
366
  
Equipment
    
3,873
      
3,825
  
Leasehold improvements
    
4,143
      
4,143
  
Other
1
    
801
      
645
  
Property and equipment
    
9,183
      
8,979
  
Less accumulated depreciation
    
(7,447
)
    
(7,370
)
Property and equipment, net
   $
1,736
     $
1,609