Note 3 - Business Combination - Schedule of Pro Forma Information (Details) - Amplex Holdings [Member] - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Total revenue	$ 3,159	$ 2,958	$ 6,193	$ 3,447
Net income (loss) from continuing operations	313	410	387	(190)
Revenue, actual	3,159	2,958	6,193	3,447
Revenue, pro forma				5,858
Net loss from continuing operations attributable to common shareholders, actual	(802)	(1,482)	(1,588)
Net loss from continuing operations attributable to common shareholders, pro forma				(7,593)
Net income from discontinued operations attributable to common shareholders, actual	50	801	88
Net income from discontinued operations attributable to common shareholders, pro forma				2,860
Net loss attributable to common shareholders, actual	$ (752)	$ (681)	$ (1,500)
Net loss attributable to common shareholders, pro forma				$ (4,733)