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Revenue Recognition - Additional Information (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022 | Mar. 31, 2021
Contract With Customer Assets And Liabilities [Line Items] |  |  |
Net sales | $ 157,118 | $ 122,814 | $ 97,489
Receivables billed but not paid under retainage provisions in its customer contracts | 2,542 | 3,182 |
Amortization expense | 46 | 166 | $ 600
Revenue remaining unsatisfied performance obligations amount | 301,734 |  |
Customer Deposit [Member] |  |  |
Contract With Customer Assets And Liabilities [Line Items] |  |  |
Contract liabilities | 6,092 | 4,216 |
Prepaid Expenses and Other Current Assets [Member] |  |  |
Contract With Customer Assets And Liabilities [Line Items] |  |  |
Capitalized costs, net of amortization | $ 22 | $ 32 |

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