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