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Bank Loan Agreements (Tables)
12 Months Ended
Jun. 30, 2021
Debt Disclosure [Abstract]  
Summary of outstanding debt
          
   June 30, 
   2021   2020 
   (In thousands) 
Outstanding borrowings on Term Loan Facility  $3,750   $5,250 
Less: Unamortized debt issuance costs   (68)   (96)
Net Carrying amount of debt   3,682    5,154 
Less: Current portion   (1,472)   (1,472)
Non-current portion  $2,210   $3,682 
Availability under the Line of Credit
          
   June 30, 
   2021   2020 
   (In thousands) 
Outstanding borrowings on the line of credit  $   $ 
Available borrowing capacity on the line of credit  $6,000   $5,602 
Outstanding letters of credit  $51   $51