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Other Receivables and Prepayments, Net (Details Textual) - USD ($)	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Other Receivables and Prepayments, Net (Textual)
Bad debts on other receivables and prepayments	$ 159	$ 39,364

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- Definition

Bad debts on other receivables and prepayments

+ References

No definition available.

+ Details

Name:	llit_BadDebtsOnOtherReceivablesAndPrepayments
Namespace Prefix:	llit_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

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- References

No definition available.

+ Details

Name:	llit_OtherReceivablesAndPrepaymentsNetTextualAbstract
Namespace Prefix:	llit_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration