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Note G - Economic Dependency (Tables)
3 Months Ended
Sep. 30, 2023
Supplier Concentration Risk [Member]  
Notes Tables  
Schedules of Concentration of Risk, by Risk Factor [Table Text Block]
  

Three Months Ended

 
  

September 30,

 
  

2023

  

2022

 
         

Supplier 1

 $2,780   2,832 
  $2,780   2,832 
Customer Concentration Risk [Member]  
Notes Tables  
Schedules of Concentration of Risk, by Risk Factor [Table Text Block]
  

Three Months Ended

 
  

September 30,

 
  

2023

  

2022

 
         

Customer 1

 $12,131   15,005 

Customer 2

  10,119  $15,152 

Customer 3

  4,102   6,328 
  $26,352  $36,485