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Note 9 - Net (Loss) Earnings Per Share - Computation of Net Income Per Share, Basic & Diluted (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Net (loss)	$ (1,230)	$ 1,306	$ (1,779)	$ (132)	$ (1,779)	$ (132)
Weighted average outstanding shares of common stock (in shares)	5,387	5,323			5,379	5,298
Fully diluted shares (in shares)	5,387	5,364			5,379	5,298
Basic (loss) earnings per share (in dollars per share)	$ (0.23)	$ 0.25			$ (0.33)	$ (0.02)
Diluted (loss) earnings per share (in dollars per share)	$ (0.23)	$ 0.24			$ (0.33)	$ (0.02)
Share-Based Payment Arrangement, Option [Member]
Dilutive effect of shares (in shares)	0	27			0	0
Restricted Stock Units (RSUs) [Member]
Dilutive effect of shares (in shares)	0	14			0	0

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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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