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Prepaid Expenses and Other Receivables (Details) - USD ($)	9 Months Ended
	Sep. 30, 2025	Dec. 31, 2024
Prepaid Expenses and Other Receivables [Abstract]
Prepaid expenses and other receivables	$ 2,689,142	$ 27,979
Advance payments	2,019,500
Advance payments for future services	669,375	23,000
Other receivables	$ 267	$ 4,979

X

- Definition

Amount of advance payments.

+ References

No definition available.

+ Details

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Namespace Prefix:	lhai_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Future services.

+ References

No definition available.

+ Details

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Namespace Prefix:	lhai_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amount due from parties in nontrade transactions, classified as other.

+ References

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-Topic 944
-SubTopic 605
-Name Accounting Standards Codification
-Section 55
-Paragraph 14
-Publisher FASB
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Balance Type:	debit
Period Type:	instant

X

- Definition

Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets.

+ References

No definition available.

+ Details

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

X

- References

No definition available.

+ Details

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