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12. RELATED PARTY TRANSACTIONS (Details) - USD ($) | 12 Months Ended
--- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Mar. 31, 2023
Related Party Transaction [Line Items] |  |  |
Accounts payable | $ 991,000 | $ 668,000 |
Prepaid expenses and other current assets | 2,961,000 | 1,954,000 |
Related party |  |  |
Related Party Transaction [Line Items] |  |  |
Manufacturing services | $ 140,000 | 500,000 | $ 240,000
Operating Cost and Expense, Related Party, Name [Extensible Enumeration] | gsit:WistronNewebCorpMember |  |
Accounts Payable, Current, Related Party, Name [Extensible Enumeration] | gsit:WistronNewebCorpMember |  |
Accounts payable | $ 8,000 | 0 |
Prepaid expenses and other current assets | $ 375,000 | $ 375,000 |

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