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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Mar. 31, 2024
Accounting Policies [Abstract] |
Summary of Changes in Liability For Asset Retirement Obligations | Changes in the liability for the asset retirement obligations for the years ended March 31, 2024 and 2023 are summarized below (in thousands):
| 2024 |  | 2023
Balance at beginning of the year | $ | 543 |  |  | $ | 626 |
Liabilities settled | — |  |  | (79) |
Revision of estimate | 85 |  |  | (6) |
Accretion expense | 4 |  |  | 2 |
Balance at end of the year | 632 |  |  | 543 |
Less amount classified as current - included in accounts payable and accrued expenses | 101 |  |  | 30 |
Noncurrent liabilities - included in other liabilities | $ | 531 |  |  | $ | 513 |
Valuation Allowance | Changes in valuation allowance for the years ended March 31, 2024 and 2023 are summarized below (in thousands):
| 2024 |  | 2023 |  |
Balance at beginning of the year | $ | 85,984 |  |  | $ | 79,998 |  |  |
Charged to costs and expenses | 842 |  |  | 1,218 |  |  |
Changes in net loss carryforward and other | 2,916 |  |  | 4,768 |  |  |
Balance at end of the year | $ | 89,742 |  |  | $ | 85,984 |  |  |

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- Definition Tabular disclosure of the changes in carrying amount of a liability for asset retirement obligations, for changes such as new obligations, changes in estimates of existing obligations, spending on existing obligations, property dispositions, and foreign currency translation. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 410 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481850/410-20-50-1 + Details
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- Definition Tabular disclosure of valuation allowances to reduce deferred tax assets to net realizable value, including identification of the deferred tax asset more likely than not will not be fully realized and the corresponding amount of the valuation allowance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-2 + Details
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