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Note 4 - Restricted Cash (Tables)
3 Months Ended
Sep. 30, 2022
Notes Tables  
Restrictions on Cash and Cash Equivalents [Table Text Block]

(dollars in thousands)

 

September 30, 2022

  

June 30, 2022

 

Cash and cash equivalents

 $23,287  $22,314 

Restricted cash

  1,000   1,000 

Total cash, cash equivalents, and restricted cash

 $24,287  $23,314