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Warranty Reserve (Tables)
9 Months Ended
Mar. 31, 2022
Guarantees and Product Warranties [Abstract]  
Schedule of Warranty Reserve
          
   Nine Months Ended   Year Ended 
   March 31,   June 30, 
   2022   2021 
   (In thousands) 
Beginning balance  $197   $181 
Warranty reserve assumed from acquisition of TN Companies   483     
Charged to cost of revenue   167    226 
Usage   (212)   (210)
Ending balance  $635   $197