Summary of Significant Accounting Policies (Tables)
 6 Months Ended
Dec. 31, 2019
Accounting Policies [Abstract]  
Summary of Accounts Receivable

 

   December 31,
2019		  June 30,
2019
   (in thousands)
Accounts receivable  $1,081   $850 
Allowance for doubtful accounts   (20)   (20)
Total accounts receivable, net  $1,061   $830 
Anti-dilutive securities
   December 31,
   2019  2018
Common stock options – 2009 Plan   100,000    200,000 
Common stock options – 2015 Plan   4,100,000    3,950,000 
Convertible preferred stock   4,300,000    4,300,000 
  Total   8,500,000    8,450,000