No definition available.

Name:	eurk_LoanfromMarineThinkingtheTargetDetailsLineItems
Namespace Prefix:	eurk_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The price per share of the conversion feature embedded in the debt instrument.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Subparagraph (c)
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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 835
-SubTopic 30
-Name Accounting Standards Codification
-Section 55
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-Topic 835
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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of the fee that accompanies borrowing money under the debt instrument.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 470
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of the required periodic payments applied to principal.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
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+ Details

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Balance Type:	debit
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- Details

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Loan from Marine Thinking (the "Target") (Details) - USD ($)		9 Months Ended
	Dec. 31, 2025	Jun. 30, 2026	Jun. 08, 2026	May 04, 2026	Apr. 06, 2026	Mar. 03, 2026
Loan from Marine Thinking (the “Target”) [Line Items]
Principal amount price per share (in Dollars per share)		$ 10
Outstanding amount	$ 0	$ 600,000
Principal amount			$ 600,000	$ 600,000	$ 600,000	$ 600,000
Target Extension Notes [Member]
Loan from Marine Thinking (the “Target”) [Line Items]
Extension fees			$ 150,000	$ 150,000	$ 150,000	$ 150,000