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v3.23.3

Revenue Recognition - Revenue Disaggregated by Product Line and Geographic Area (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | $ 45,076 | $ 38,143 | $ 92,645 | $ 74,218
Refining [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 7,289 | 7,568 | 14,156 | 15,443
Chemical/Petrochemical [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 4,365 | 5,804 | 10,406 | 11,679
Defense [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 25,118 | 14,855 | 47,935 | 24,655
Space [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 2,775 | 4,306 | 7,597 | 10,768
Other Commercial [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 5,529 | 5,610 | 12,551 | 11,673
Asia [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 2,980 | 4,255 | 8,882 | 8,503
Canada [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 1,092 | 1,707 | 1,991 | 2,704
Middle East [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 669 | 686 | 1,718 | 1,145
South America [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 172 | 399 | 199 | 1,860
U.S. [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 38,604 | 30,325 | 76,745 | 58,494
All Other [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | $ 1,559 | $ 771 | $ 3,110 | $ 1,512

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