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Non-Operating Income, Net - Schedule of Non-Operating Income, Net (Details) - USD ($) $ in Thousands | 12 Months Ended
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Mar. 31, 2026 | Mar. 31, 2025 | Mar. 31, 2024
Schedule of Non-Operating Income, Net [Abstract] |  |  |
Dividend income from marketable securities | $ 1,019 | $ 1,822 | $ 1,506
Interest income from bank deposits | 1,442 | 1,052 | 669
Unrealized gain from marketable securities | 1,931 | 3,163 | 952
Realized gain from sales of marketable securities | 3,574 | 1,470 |
Rental income, net of depreciation charges | 376 | 386 | 498
Others | (59) | 93 | 409
Non-operating income, net | $ 8,283 | $ 7,986 | $ 4,034

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