v3.26.1

Simple Agreements for Future Equity (SAFEs) - Additional Information (Details)	Jun. 30, 2026 shares
Simple Agreements For Future Equity [Abstract]
SAFEs outstanding	0

X

- Definition

Simple Agreements For Future Equity.

+ References

No definition available.

+ Details

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Namespace Prefix:	hdrn_
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X

- Definition

Simple agreements for future equity outstanding.

+ References

No definition available.

+ Details

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Namespace Prefix:	hdrn_
Data Type:	xbrli:sharesItemType
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