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13. GOVERNMENT AGREEMENTS (Details) - USD ($) | 3 Months Ended | 6 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Sep. 01, 2025 | Oct. 31, 2024 | Nov. 30, 2023 | Jun. 30, 2023
Government Assistance |  |  |  |  |  |  |  |
Milestone payments |  |  |  |  |  | $ 250,000 |  |
Small Business Innovation Research program |  |  |  |  |  |  |  |
Government Assistance |  |  |  |  |  |  |  |
Milestone payments | $ 1,400,000 | $ 281,000 | $ 1,400,000 | $ 281,000 | $ 2,000,000 |  |  | $ 1,250,000
Milestone payments, remaining balance | 180,000 |  | 180,000 |  |  |  |  |
Amount recognized | $ 279,000 | $ 0 | $ 822,000 | $ 318,000 |  |  |  |
Government Assistance, Income, Increase (Decrease), Statement of Income or Comprehensive Income [Extensible Enumeration] | Research and Development Expense |  | Research and Development Expense |  |  |  |  |
U.S. Air Force Research Laboratory |  |  |  |  |  |  |  |
Government Assistance |  |  |  |  |  |  |  |
Milestone payments |  |  |  |  |  |  | $ 1,100,000 |
Milestone payments, remaining balance | $ 48,000 |  | $ 48,000 |  |  |  |  |

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- Definition Amount of government assistance award, available balance remaining. + References No definition available. + Details
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- Definition Amount of increase (decrease) in income from government assistance. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 832 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483507/832-10-50-3 + Details
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- Definition Amount of government assistance awarded that comprises amount received, receivable, and to be received unless condition for government assistance is not met. Includes, but is not limited to, government grant, assistance, incentive, award, subsidy, and loan. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 832 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483507/832-10-50-3 + 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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 832 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483507/832-10-50-3 + Details
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- Definition Indicates line item in statement of income or comprehensive income that includes increase (decrease) in income from government assistance. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 832 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483507/832-10-50-3 + Details
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