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v3.25.2

Note 17 - Business Segments - Operating Results for Business Segments (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Jun. 30, 2025 | Jun. 30, 2024
Revenues |  | $ 72,358 | $ 40,290
Segment other operating expenses (b) | [1],[2] | 66,714 | 43,581
Segment operating income |  | 5,644 | (3,291)
Operating income (loss): |  | 5,644 | (3,291)
Interest income, net |  | 932 | 1,120
Other income (expense), net |  | 347 | (160)
Income (loss) before income tax expense |  | 6,923 | (2,331)
Depreciation and amortization |  | 1,229 | 1,008
Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment [Member] |  |  |
Revenues |  | 0 | 0
Segment other operating expenses (b) | [1],[2] | 0 | 3,920
Segment operating income |  | 0 | (3,920)
Operating income (loss): |  | 0 | (3,920)
Grid [Member] |  |  |
Revenues |  | 60,087 | 32,336
Grid [Member] | Operating Segments [Member] |  |  |
Revenues |  | 60,087 | 32,336
Segment other operating expenses (b) | [1],[2] | 55,932 | 32,573
Segment operating income |  | 4,155 | (237)
Operating income (loss): |  | 4,155 | (237)
Depreciation and amortization |  | 1,202 | 987
Wind [Member] |  |  |
Revenues |  | 12,271 | 7,954
Wind [Member] | Operating Segments [Member] |  |  |
Revenues |  | 12,271 | 7,954
Segment other operating expenses (b) | [1],[2] | 10,782 | 7,088
Segment operating income |  | 1,489 | 866
Operating income (loss): |  | 1,489 | 866
Depreciation and amortization |  | $ 27 | $ 21
[1] | Segment other operating expense includes cost of sales, research and development expense, selling general, and administrative expense, amortization of acquisition related intangibles, and gain/loss on contingent consideration.
[2] | The significant expense categories and amounts align with the segment-level information that is regularly provided to the chief operating decision maker.

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