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v3.25.2

Commitments - Additional Information (Details) | 12 Months Ended
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Jun. 30, 2025
Commitments [Abstract] |
Termination clause of biggest research contract | 60 days
Maximum commitment term | 12 months

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- Definition Commitments. + References No definition available. + Details
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Namespace Prefix: | opt_
Data Type: | xbrli:stringItemType
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Period Type: | duration

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- Definition Maximum commitment term. + References No definition available. + Details
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Namespace Prefix: | opt_
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Balance Type: | na
Period Type: | duration

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- Definition Termination clause of biggest research contract. + References No definition available. + Details
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Namespace Prefix: | opt_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration