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Warranty Liability (Tables)
3 Months Ended
Sep. 30, 2017
Guarantees [Abstract]  
Schedule of changes in warranty liability

Changes in the Company’s warranty liability were approximately as follows:

 

   Three Months Ended
September 30, 2017
   Fiscal Year Ended June 30, 2017 
Beginning warranty reserve  $640,000   $660,000 
Accrual for products sold   93,000    129,000 
Expenditures and costs incurred for warranty claims   (43,000)   (149,000)
Ending warranty reserve  $690,000   $640,000