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Inventories (Tables)
3 Months Ended
Sep. 30, 2017
Inventory Disclosure [Abstract]  
Schedule of components of inventories

The components of inventory were approximately as follows:

 

   September 30, 2017   June 30, 2017 
Parts inventory  $1,741,000   $1,789,000 
Work in process   183,000    205,000 
Finished goods   790,000    745,000 
Less: Reserve for obsolescence   (260,000)   (180,000)
Total  $2,454,000   $2,559,000