Condensed Consolidated Statements of Operations and Comprehensive Loss - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Income Statement [Abstract]
Revenue	$ 140	$ 1
Cost of revenue	113	0
Gross profit	27	1
Operating expenses:
Selling, general and administrative	926	1,202
Research and development	609	855
Disposal of corporate lease	544
Total operating expenses	2,079	2,057
Loss from operations	(2,052)	(2,056)
Interest and other expense, net	(59)	(12)
Loss from operations before income taxes	(2,111)	(2,068)
Income tax benefit	0	0
Net loss	$ (2,111)	$ (2,068)
Weighted average common shares outstanding:
Basic and diluted	7,719	5,591
Basic and diluted net loss per common share:
Net loss	$ (0.27)	$ (0.37)
Total comprehensive loss	$ (2,111)	$ (2,068)