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Note 21 - Business Segments - Total Business Segments Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Mar. 31, 2022
Total assets	$ 175,561	$ 173,887
Operating Segments [Member] | Grid [Member]
Total assets	135,296	114,053
Operating Segments [Member] | Wind [Member]
Total assets	14,361	9,866
Corporate, Non-Segment [Member]
Total assets	$ 25,904	$ 49,968

X

- Definition

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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