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GOODWILL AND OTHER INTANGIBLE ASSETS | 9 Months Ended
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Dec. 31, 2025
Goodwill and Intangible Assets Disclosure [Abstract] |
GOODWILL AND OTHER INTANGIBLE ASSETS | NOTE 9 — GOODWILL AND OTHER INTANGIBLE ASSETS Orion recorded $0.9 million of goodwill related to its purchase of Voltrek LLC ("Voltrek") in the third quarter of fiscal 2023, ("Voltrek Acquisition"), which has an indefinite life, and is assigned to the EV operating segment. Orion recorded $0.6 million of goodwill related to its purchase of Stay-Lite Lighting, Inc. ("Stay-Lite") during fiscal year 2022, which has an indefinite life, and is assigned to the Maintenance operating segment. As of December 31, 2025, and March 31, 2025, the components of, and changes in, the carrying amount of other intangible assets, net, were as follows (dollars in thousands):
|  | December 31, 2025 |  |  | March 31, 2025 |
|  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Net |  |  | Weighted Average Useful Life |  |  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Net |
Amortized Intangible Assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Patents |  | $ | 1,877 |  |  | $ | (1,598 | ) |  | $ | 279 |  |  |  | 8.5 |  |  | $ | 1,895 |  |  | $ | (1,568 | ) |  | $ | 327 |
Licenses |  |  | 58 |  |  |  | (58 | ) |  |  | — |  |  |  | — |  |  |  | 58 |  |  |  | (58 | ) |  |  | — |
Trade name and trademarks |  |  | 300 |  |  |  | (195 | ) |  |  | 105 |  |  |  | 1.8 |  |  |  | 300 |  |  |  | (150 | ) |  |  | 150 |
Customer relationships |  |  | 5,000 |  |  |  | (5,000 | ) |  |  | — |  |  |  | — |  |  |  | 5,000 |  |  |  | (4,763 | ) |  |  | 237 |
Vendor relationships |  |  | 2,600 |  |  |  | (1,204 | ) |  |  | 1,396 |  |  |  | 3.8 |  |  |  | 2,600 |  |  |  | (925 | ) |  |  | 1,675 |
Developed technology |  |  | 900 |  |  |  | (900 | ) |  |  | — |  |  |  | — |  |  |  | 900 |  |  |  | (900 | ) |  |  | — |
Total Amortized Intangible Assets |  | $ | 10,735 |  |  | $ | (8,955 | ) |  | $ | 1,780 |  |  |  | 3.5 |  |  | $ | 10,753 |  |  | $ | (8,364 | ) |  | $ | 2,389 |
Indefinite-lived Intangible Assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Trade name and trademarks |  | $ | 990 |  |  | $ | — |  |  | $ | 990 |  |  |  |  |  | $ | 990 |  |  | $ | — |  |  | $ | 990 |
Total Non-Amortized Intangible Assets |  | $ | 990 |  |  | $ | — |  |  | $ | 990 |  |  |  |  |  | $ | 990 |  |  | $ | — |  |  | $ | 990 |
Amortization expense on intangible assets was $0.1 million and $0.6 million for the three and nine months ended December 31, 2025, respectively. Amortization expense on intangible assets was $0.3 million and $0.8 million for the three and nine months ended December 31, 2024, respectively. The estimated amortization expense for the remainder of fiscal 2026, the next five fiscal years and beyond is shown below (dollars in thousands):
Fiscal 2026 (period remaining) |  | $ | 120 |
Fiscal 2027 |  |  | 476 |
Fiscal 2028 |  |  | 440 |
Fiscal 2029 |  |  | 404 |
Fiscal 2030 |  |  | 219 |
Thereafter |  |  | 121 |
Total |  | $ | 1,780 |

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