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Other Current Assets (Tables)
 12 Months Ended
Jun. 30, 2017
Other Assets [Abstract]  
Schedule of Other Current Assets
Other current assets are comprised of  (in thousands):

 

June 30,  2017  2016
       
Other receivables  $—   $485 
Prepaid insurance   179    49 
Costs in excess of billings   86    — 
Refundable income taxes   —    62 
Other current assets   100    77 
   $365   $673