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Note 10 - Property, Plant and Equipment | 9 Months Ended
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Dec. 31, 2025
Notes to Financial Statements |
Property, Plant and Equipment Disclosure [Text Block] | 10. Property, Plant and Equipment The cost and accumulated depreciation of property, plant and equipment at December 31, 2025 and March 31, 2025 are as follows (in thousands):
|  | December 31, 2025 |  |  | March 31, 2025 |
Land |  | $ | 37,059 |  |  | $ | 22,650 |
Construction in progress – equipment |  |  | 938 |  |  |  | 1,371 |
Buildings |  |  | 29,854 |  |  |  | 7,528 |
Equipment and software |  |  | 59,443 |  |  |  | 47,774 |
Furniture and fixtures |  |  | 1,866 |  |  |  | 1,672 |
Leasehold improvements |  |  | 8,334 |  |  |  | 7,969 |
Property, plant and equipment, gross |  |  | 137,494 |  |  |  | 88,964 |
Less accumulated depreciation |  |  | (50,043 | ) |  |  | (50,392 | )
Property, plant and equipment, net |  | $ | 87,451 |  |  | $ | 38,572 |
Depreciation expense was $1.0 million and $0.9 million for the three months ended December 31, 2025 and 2024, respectively. Depreciation expense was $2.9 million and $2.3 million for the nine months ended December 31, 2025 and 2024, respectively. The increase in land, building, and equipment and software relates to the property added as part of the Comtrafo Acquisition.

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