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Option Agreements (Details) - USD ($) $ in Millions				1 Months Ended	3 Months Ended	8 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Mar. 31, 2024	Sep. 30, 2024	Sep. 30, 2024
Paragon Option Agreements [Line Items]
Initiation fee						$ 0.8
Development costs, percentage						50.00%
Research and development expenses					$ 3.8	$ 6.6
Development costs			$ 3.3
Research initiation fee					0.8	0.8
Accounts payable and other current liabilities					3.8	3.8
Expenses					13.4	33.8
Clinical Development Milestones [Member]
Paragon Option Agreements [Line Items]
Non-refundable milestone payments				$ 12.0
Certain Regulatory Milestones [Member]
Paragon Option Agreements [Line Items]
Non-refundable milestone payments				$ 10.0
Related Party [Member]
Paragon Option Agreements [Line Items]
Accounts payable and other current liabilities					2.3	2.3
Research and Development Expense [Member] | ORKA-001 [Member]
Paragon Option Agreements [Line Items]
Milestone payment					1.5
Research and Development Expenses [Member]
Paragon Option Agreements [Line Items]
Research and development expenses					$ 0.8	$ 13.2
Forecast [Member]
Paragon Option Agreements [Line Items]
Percentage of warrant purchase	1.00%
Forecast [Member] | ORKA-002 [Member]
Paragon Option Agreements [Line Items]
Percentage of warrant purchase		1.00%

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- Definition

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- Definition

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- Definition

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- Definition

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- Definition

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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