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Note 9 - Net (Loss) Per Share - Computation of Net Income Per Share, Basic & Diluted (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Net (loss)	$ (549)	$ (1,438)
Weighted average outstanding shares of common stock (in shares)	5,372	5,273
Fully diluted shares (in shares)	5,372	5,273
Basic (loss) per share (in dollars per share)	$ (0.10)	$ (0.27)
Diluted (loss) per share (in dollars per share)	$ (0.10)	$ (0.27)
Share-Based Payment Arrangement, Option [Member]
Dilutive effect of shares (in shares)	0	0
Restricted Stock Units (RSUs) [Member]
Dilutive effect of shares (in shares)	0	0

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- 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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