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Accounts Receivable, Net (Details Textual) - USD ($)	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Accounts Receivable, Net (Textual)
Bad debts	$ 4,509	$ 1,680

X

- Definition

Amount of bad debts.

+ References

No definition available.

+ Details

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

X

- References

No definition available.

+ Details

Name:	us-gaap_AccountsReceivableNetAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration