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Summary of Significant Accounting Policies - Revenue Recognition, Contract Assets and Liabilities (Details) - USD ($) | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Mar. 31, 2026 | Mar. 31, 2025 | Mar. 31, 2026 | Mar. 31, 2025 | Jun. 30, 2025 | Jun. 30, 2024
Summary of Significant Accounting Policies |  |  |  |  |  |
Contract with Customer, Receivable, Allowance for Credit Loss | $ 0 |  | $ 0 |  | $ 0 |
Revenue |  |  | 100,000 | $ 200,000 |  |
Contract assets | 0 |  | 0 |  | 0 | $ 0
Contract liabilities | 1,150,000 |  | 1,150,000 |  | $ 1,200,000 | $ 200,000
Revenue recognized included in contract liabilities | 0 | $ 0 | 50,000 | 200,000 |  |
Collaborative Revenues |  |  |  |  |  |
Summary of Significant Accounting Policies |  |  |  |  |  |
Revenue | $ 0 | $ 0 | $ 100,000 | $ 200,000 |  |

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