Note 9 - 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, 2026	Dec. 31, 2025	Sep. 30, 2025	Mar. 31, 2025	Dec. 31, 2024	Sep. 30, 2024	Mar. 31, 2026	Mar. 31, 2025
Net loss	$ (3,768)	$ (3,927)	$ (3,465)	$ (3,633)	$ (4,009)	$ (3,278)	$ (11,161)	$ (10,920)
Denominator for basic and diluted net loss per share — weighted average common stock outstanding (in shares)	1,677			1,665			1,676	1,663
Net loss per common share (in dollars per share)	$ (2.25)			$ (2.18)			$ (6.66)	$ (6.57)

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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+ Details

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References

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Reference 52: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
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-Name Accounting Standards Codification
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Reference 53: http://fasb.org/us-gaap/role/ref/legacyRef
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-Paragraph 1
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-URI https://asc.fasb.org/1943274/2147478524/942-220-S99-1

+ Details