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Goodwill and intangible assets (Tables) | 12 Months Ended
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Mar. 31, 2023
Goodwill and Intangible Assets Disclosure [Abstract] |
Summary of Intangible Assets | The components of identifiable intangible assets are as follows:
|  | Weighted- average remaining useful life (in years) |  |  | As of March 31, 2023 |  |  | As of March 31, 2022 |
(In thousands) |  | Gross carrying amount |  |  | Accumulated amortization |  |  | Net carrying amount |  |  | Gross carrying amount |  |  | Accumulated amortization |  |  | Net carrying amount |
Intangible assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Trade name and other intangibles |  |  | 5 |  |  | $ | 2,500 |  |  | $ | (1,179 | ) |  | $ | 1,321 |  |  | $ | 15,900 |  |  | $ | (13,372 | ) |  | $ | 2,528 |
Total |  |  |  |  |  | $ | 2,500 |  |  | $ | (1,179 | ) |  | $ | 1,321 |  |  | $ | 15,900 |  |  | $ | (13,372 | ) |  | $ | 2,528 |
Summary of Intangible Asset Amortization Expense | Total intangible asset amortization expense recognized in operations during the fiscal years ended March 31, 2023, 2022 and 2021 are as follows:
|  | Fiscal year ended March 31, |
(In thousands) |  | 2023 |  |  | 2022 |  |  | 2021 |
Cost of sales |  | $ | 250 |  |  | $ | 4,043 |  |  | $ | 8,082 |
Selling general and administrative expense |  |  | 957 |  |  |  | 4,422 |  |  |  | 6,931 |
Total amortization expense |  | $ | 1,207 |  |  | $ | 8,465 |  |  | $ | 15,013 |
Summary of Future Annual Amortization Expense | Estimated future annual amortization expense for the above amortizable intangible assets are as follows:
(in thousands) |  | Amount |
Fiscal year ending March 31, |  |  |  |
2024 |  | $ | 250 |
2025 |  |  | 250 |
2026 |  |  | 250 |
2027 |  |  | 250 |
2028 |  |  | 250 |
Thereafter |  |  | 71 |
Total amortization expense |  | $ | 1,321 |

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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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