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Note 3 - Property and Equipment, Net (Tables)
6 Months Ended
Dec. 31, 2024
Notes Tables  
Property, Plant and Equipment [Table Text Block]
  

December 31,

  

June 30,

 
  

2024

  

2024

 
         

Land and building

 $1,250  $1,250 
Leasehold improvements  1,341   1,341 
Machinery and equipment  7,281   7,224 
   9,872   9,815 
Less: Accumulated depreciation and amortization  (8,101)  (7,930)

Total

 $1,771  $1,885