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Warrants (Details 1) - USD ($)	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Warrants and Rights Note Disclosure [Abstract]
Beginning balance	$ 1,129,246	$ 1,729,111
Fair value change of the issued warrants included in earnings	99,821	110,018
Ending balance	$ 1,229,067	$ 1,839,129

X

- Definition

It represents the fair value of issued warrants.

+ References

No definition available.

+ Details

Name:	llit_FairValueOfIssuedWarrants
Namespace Prefix:	llit_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Fair Value of outstanding derivative securities that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price.

+ References

No definition available.

+ Details

Name:	llit_WarrantsAndRightsOutstandingFairValue
Namespace Prefix:	llit_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- References

No definition available.

+ Details

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