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Option Agreements and License Agreements (Details) - USD ($) $ in Millions	2 Months Ended	3 Months Ended	11 Months Ended	12 Months Ended
	Mar. 31, 2024	Mar. 31, 2025	Dec. 31, 2024	Dec. 31, 2025
Option Agreements and License Agreements [Line Items]
Expenses	$ 5.0	$ 1.5
Paruka Warrant Obligation [Member]
Option Agreements and License Agreements [Line Items]
Warrant purchase percentage			1.00%	1.00%
ORKA-002 [Member]
Option Agreements and License Agreements [Line Items]
Non-refundable milestone payments		1.5
Research and development expenses		0.1	$ 4.2
ORKA-001 [Member]
Option Agreements and License Agreements [Line Items]
Non-refundable milestone payments		$ 4.0
Development costs		50.00%
Research and development expenses	$ 0.8
Related Party [Member] | ORKA-002 [Member]
Option Agreements and License Agreements [Line Items]
Accounts payable and other current liabilities		0.1	2.7
Related Party [Member] | ORKA-001 [Member]
Option Agreements and License Agreements [Line Items]
Accounts payable and other current liabilities			$ 2.8
Paragon [Member] | Antibody Products [Member]
Option Agreements and License Agreements [Line Items]
Royalty payable on product sales, description			low single-digit percentage royalty for antibody products
Paragon [Member] | ORKA-002 [Member] | Research and Development Expense [Member] | Achievement Of Development Candidate [Member]
Option Agreements and License Agreements [Line Items]
Milestone consideration paid			$ 1.5
Paragon [Member] | ORKA-002 [Member] | Research and Development Expense [Member] | Exercising Option [Member]
Option Agreements and License Agreements [Line Items]
Nonrefundable research initiation fee			0.8
Paragon [Member] | ORKA-001 [Member]
Option Agreements and License Agreements [Line Items]
Nonrefundable research initiation fee			0.8
Paragon [Member] | ORKA-001 [Member] | Research and Development Expense [Member] | Achievement Of Development Candidate [Member]
Option Agreements and License Agreements [Line Items]
Milestone consideration paid			1.5
Paragon [Member] | ORKA-001 [Member] | Research and Development Expense [Member] | First Dosing of Human Patient in Phase1Trial Milestone [Member]
Option Agreements and License Agreements [Line Items]
Milestone consideration paid			2.5
Maximum [Member] | Paragon [Member] | Clinical Development Milestones [Member]
Option Agreements and License Agreements [Line Items]
Non-refundable milestone payments			12.0
Maximum [Member] | Paragon [Member] | Regulatory Milestones Member [Member]
Option Agreements and License Agreements [Line Items]
Non-refundable milestone payments			10.0
Maximum [Member] | Paragon [Member] | ORKA-002 [Member] | Clinical Development Milestones [Member]
Option Agreements and License Agreements [Line Items]
Non-refundable milestone payments			$ 12.0

X

- Definition

class of warrant or right to purchase percentage of outstanding diluted stock maximum.

+ References

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