v3.26.1
Note 17 - Business Segments - Total Business Segments Assets (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Mar. 31, 2026
Total assets $ 762,217 $ 739,481
Operating Segments [Member] | Grid [Member]    
Total assets 590,555 574,195
Operating Segments [Member] | Wind [Member]    
Total assets 18,416 17,572
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member]    
Total assets $ 153,246 $ 147,714