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Note P - Restructuring of Operations and Income From Extinguishment of Loan (Tables)
12 Months Ended
Jun. 30, 2021
Notes Tables  
Restructuring and Related Costs [Table Text Block]

Accrued restructuring liability, June 30, 2019

 $- 

Additions

  5,138 

Payments and adjustments

  (5,054)

Accrued restructuring liability, June 30, 2020

  84 

Additions

  7,377 

Payments and adjustments

  (5,109)

Accrued restructuring liability, June 30, 2021

 $2,352