No definition available.

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- Definition

Amount of gain or loss recognized in the income statement during the reporting period resulting from changes in the fair value of Class A Warrants classified as liabilities.

+ References

No definition available.

+ Details

Name:	icon_GainLossFromRemeasurementOfWarrants
Namespace Prefix:	icon_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of gain (loss) recognized on settlement (extinguishment) of liabilities, which includes derivative/warrant liabilities being exercised or settled.

+ References

No definition available.

+ Details

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- Definition

Fair value of warrants classified as liabilities.

+ References

No definition available.

+ Details

Name:	icon_WarrantsFairValue
Namespace Prefix:	icon_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4A
-Subparagraph (b)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4A

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Name Accounting Standards Codification
-Section 55
-Paragraph 10
-SubTopic 10
-Topic 825
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482881/825-10-55-10

+ Details

Name:	us-gaap_DerivativeGainLossOnDerivativeNet
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of expense (income) related to adjustment to fair value of warrant liability.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-28

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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- Details

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Financial Instruments and Fair Value Disclosures (Details) - USD ($) $ in Thousands	2 Months Ended	6 Months Ended
	Mar. 27, 2025	Jun. 30, 2025	Jun. 30, 2024
Financial Instruments and Fair Value [Abstract]
Loss on warrants, net		$ (537)	$ 0
Class A Warrant [Member]
Financial Instruments and Fair Value [Abstract]
Estimated fair value of warrants		46,269
Loss recognized on warrants		(34,278)
Non-recurring fair value measurements gain on settlement	$ 3,945
Net gain from changes in fair value	$ 29,796
Loss on warrants, net		$ (537)