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v3.19.1

Other Receivables and Prepayments, Net (Details Textual) - USD ($) | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
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Continuing operations [Member] |  |  |
Other Receivables and Prepayments, Net (Textual) |  |  |
Recovery of bad debts | $ 16,403 | $ 32,213 | $ (41,790)
Discontinued operations [Member] |  |  |
Other Receivables and Prepayments, Net (Textual) |  |  |
Bad debts |  |  |

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- Definition Bad debts on other receivables. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- References No definition available. + Details
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Namespace Prefix: | llit_
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- Definition Amount due from parties in nontrade transactions, classified as other. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.8) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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Namespace Prefix: | us-gaap_
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- Details
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Namespace Prefix: |
Data Type: | na
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- Details
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Balance Type: |
Period Type: |