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Note 6 - Net Loss Per Share - Schedule of Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended						9 Months Ended
	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Mar. 31, 2022	Mar. 31, 2021	Mar. 21, 2021
Net loss	$ (2,100)	$ (2,180)	$ (2,029)	$ (2,403)	$ (1,622)	$ (2,111)	$ (6,309)	$ (6,136)	$ (6,136)
Denominator for basic and diluted net loss per share — weighted average common stock outstanding (in shares)	47,611			18,171			47,506	14,649
Net loss (in dollars per share)	$ (0.04)			$ (0.13)			$ (0.13)	$ (0.42)

X

- Definition

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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