Consolidated Statements of Operations and Comprehensive Loss - USD ($) shares in Thousands	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Revenue	$ 869,000	$ 334,000
Cost of revenue	677,000	298,000
Gross profit	192,000	36,000
Operating expenses:
Selling, general and administrative	6,006,000	4,741,000
Research and development	2,781,000	2,692,000
Disposal of corporate lease	0	513,000
Total operating expenses	8,787,000	7,946,000
Loss from operations	(8,595,000)	(7,910,000)
Other income and (expense), net	(265,000)	235,000
Gain from extinguishment of debt - PPP loan	0	(542,000)
Loss from operations before income taxes	(8,330,000)	(7,603,000)
Income tax benefit	0	0
Net loss	$ (8,330,000)	$ (7,603,000)
Weighted average common shares outstanding:
Basic and diluted (in shares)	47,702	21,984
Basic and diluted net loss per common share: (in dollars per share)	$ (0.17)	$ (0.35)
Other comprehensive loss, net of tax:
Net loss	$ (8,330,000)	$ (7,603,000)
Available-for-sale securities
Net unrealized losses, net of zero tax expense	(1,176,000)	(23,000)
Total comprehensive loss	$ (9,506,000)	$ (7,626,000)