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Note 20 - Business Segments - Total Business Segments Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Mar. 31, 2023
Total assets	$ 232,771	$ 175,561
Operating Segments [Member] | Grid [Member]
Total assets	125,878	135,296
Operating Segments [Member] | Wind [Member]
Total assets	14,733	14,361
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member]
Total assets	$ 92,160	$ 25,904

X

- Definition

Amount of asset recognized for present right to economic benefit.

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