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Note G - Economic Dependency (Tables)
3 Months Ended
Sep. 30, 2021
Supplier Concentration Risk [Member]  
Notes Tables  
Schedules of Concentration of Risk, by Risk Factor [Table Text Block]
  

Three Months Ended

September 30,

 
  

2021

  

2020

 
         

Supplier 1

 $3,368  $3,375 

Supplier 2

  2,060  

(a

)
  $5,428   3,375 
Customer Concentration Risk [Member]  
Notes Tables  
Schedules of Concentration of Risk, by Risk Factor [Table Text Block]
  

Three Months Ended

September 30,

 
  

2021

  

2020

 
         

Customer 1

 $13,296  $23,958 

Customer 2

  7,386  

(a

)

Customer 3

  4,349  

(a

)

Customer 4

  4,327  

(a

)
  $29,358  $23,958