Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Revenue	$ 1,115	$ 263	$ 1,540	$ 301
Cost of revenue	583	155	825	187
Gross profit	532	108	715	114
Operating expenses:
Selling, general and administrative	2,022	1,558	3,668	3,200
Research and development	1,578	1,364	3,450	2,492
Total operating expenses	3,600	2,922	7,118	5,692
Loss from operations	(3,068)	(2,814)	(6,403)	(5,578)
Other income and expense, net	427	396	850	631
Net loss	$ (2,641)	$ (2,418)	$ (5,553)	$ (4,947)
Weighted average common shares outstanding:
Basic and diluted (in shares)	1,631	1,613	1,631	1,613
Basic and diluted net loss per common share:
Net loss per common share (in dollars per share)	$ (1.62)	$ (1.5)	$ (3.4)	$ (3.07)
Other comprehensive loss, net of tax:
Net loss	$ (2,641)	$ (2,418)	$ (5,553)	$ (4,947)
Available-for-sale securities:
Net unrealized loss	325	(2)	270	(370)
Total comprehensive loss	$ (2,316)	$ (2,420)	$ (5,283)	$ (5,317)