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Organization and Significant Accounting Policies - Long-Lived Assets (Details) | 12 Months Ended
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Apr. 30, 2024 USD ($)
Machinery and equipment | Minimum |
Long-Lived Assets |
Estimated useful life | 2 years
Machinery and equipment | Maximum |
Long-Lived Assets |
Estimated useful life | 7 years
Computer equipment and software | Minimum |
Long-Lived Assets |
Estimated useful life | 2 years
Computer equipment and software | Maximum |
Long-Lived Assets |
Estimated useful life | 5 years
In-service ISR assets |
Long-Lived Assets |
Estimated useful life | 3 years
Impairment loss | $ 16,597,000
Furniture and fixtures | Minimum |
Long-Lived Assets |
Estimated useful life | 3 years
Furniture and fixtures | Maximum |
Long-Lived Assets |
Estimated useful life | 7 years

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- Definition The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-28 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 360 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 15 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482130/360-10-45-15 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
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