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

March 31,

  

June 30,

 
  

2024

  

2023

 
         

Land and building

 $1,250  $1,250 
Leasehold improvements  1,341   1,371 
Machinery and equipment  7,219   6,801 
   9,810   9,422 
Less: Accumulated depreciation and amortization  (7,919)  (7,769)

Total

 $1,891  $1,653