XML 65 R46.htm IDEA: XBRL DOCUMENT
v3.21.1

Summary of Significant Accounting Policies (Details) - USD ($) |  | 12 Months Ended
--- | --- | ---
Oct. 21, 2020 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Summary of Significant Accounting Policies (Details) [Line Items] |  |  |  |
Description of share combination | This share combination also decreased the Company’s authorized shares to 6,250,000 common shares of par value of US$0.021848 each, of which 4,736,111 are designated as Class A common shares and 1,513,889 are designated as Class B common shares. |  |  |
Restricted cash |  | $ 3,500,000 |  |
Allowance for doubtful accounts |  | 38,995 | $ 36,416 |
Impairment loss |  |  |  | $ 3,281,779
Equity securities, description |  | 5% |  |
Warrant term |  | 12 months |  |
Tax benefit, description |  | 50% |  |
sales of goods [Member] |  |  |  |
Summary of Significant Accounting Policies (Details) [Line Items] |  |  |  |
Value added tax payable, Percentage |  | 13.00% |  |
Service [Member] |  |  |  |
Summary of Significant Accounting Policies (Details) [Line Items] |  |  |  |
Value added tax payable, Percentage |  | 6.00% |  |
Maximum [Member] |  |  |  |
Summary of Significant Accounting Policies (Details) [Line Items] |  |  |  |
Accounts receivable terms |  | 180 days |  |
Minimum [Member] |  |  |  |
Summary of Significant Accounting Policies (Details) [Line Items] |  |  |  |
Accounts receivable terms |  | 60 days |  |
Continuing Operations [Member] |  |  |  |
Summary of Significant Accounting Policies (Details) [Line Items] |  |  |  |
Comprehensive loss |  | $ 27,908 | 19,811 | 56,259
Warranty expense |  | 728 | 7,911 | 10,261
Research and development costs |  | 0 | 0 | 301,713
Government subsidies |  | $ 447 | $ 0 | $ 0
Class A Common Shares [Member] |  |  |  |
Summary of Significant Accounting Policies (Details) [Line Items] |  |  |  |
Outstanding shares (in Shares) |  | 2,210,683 | 836,933 |
Class A Common Shares [Member] | Maximum [Member] |  |  |  |
Summary of Significant Accounting Policies (Details) [Line Items] |  |  |  |
Outstanding shares (in Shares) | 17,685,475 |  |  |
Class A Common Shares [Member] | Minimum [Member] |  |  |  |
Summary of Significant Accounting Policies (Details) [Line Items] |  |  |  |
Outstanding shares (in Shares) | 2,210,683 |  |  |
Class B Common Shares [Member] |  |  |  |
Summary of Significant Accounting Policies (Details) [Line Items] |  |  |  |
Outstanding shares (in Shares) |  | 1,388,888 | 1,388,888 |
Class B Common Shares [Member] | Maximum [Member] |  |  |  |
Summary of Significant Accounting Policies (Details) [Line Items] |  |  |  |
Outstanding shares (in Shares) | 11,111,111 |  |  |
Class B Common Shares [Member] | Minimum [Member] |  |  |  |
Summary of Significant Accounting Policies (Details) [Line Items] |  |  |  |
Outstanding shares (in Shares) | 1,388,888 |  |  |

X
- Definition Represents the accounts receivable terms during period. + References No definition available. + Details
Name: | llit_AccountsReceivableTerm
Namespace Prefix: | llit_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | llit_AllowanceForDoubtfulAccounts
Namespace Prefix: | llit_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Description of Share Combination. + References No definition available. + Details
Name: | llit_DescriptionOfShareCombination
Namespace Prefix: | llit_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | llit_EquitySecuritiesDescription
Namespace Prefix: | llit_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition government subsidies. + References No definition available. + Details
Name: | llit_GovernmentSubsidies
Namespace Prefix: | llit_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | llit_SummaryofSignificantAccountingPoliciesDetailsLineItems
Namespace Prefix: | llit_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Description of tax benefit. + References No definition available. + Details
Name: | llit_TaxBenefitDescription
Namespace Prefix: | llit_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the value added tax percentage. + References No definition available. + Details
Name: | llit_ValueAddedTaxPayablePercentage
Namespace Prefix: | llit_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Warrant term. + References No definition available. + Details
Name: | llit_WarrantTerm
Namespace Prefix: | llit_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644 Reference 2: 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(29)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_CommonStockSharesOutstanding
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income. Excludes changes in equity resulting from investments by owners and distributions to owners. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4K -URI http://asc.fasb.org/extlink&oid=120409616&loc=SL4591552-111686 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1A -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121641772&loc=SL7669619-108580 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(20)) -URI http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=108774443&loc=SL4569616-111683 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1B -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121641772&loc=SL7669625-108580 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(22)) -URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(24)) -URI http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260 + Details
Name: | us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16373-109275 + Details
Name: | us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The expense charged against earnings for the period pertaining to standard and extended warranties on the entity's goods and services granted to customers. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph ((c)(3,4)) -URI http://asc.fasb.org/extlink&oid=68068213&loc=d3e12565-110249 + Details
Name: | us-gaap_ProductWarrantyExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 985 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 730 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6420194&loc=d3e21568-108373 + Details
Name: | us-gaap_ResearchAndDevelopmentExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of cash restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=121583591&loc=SL98516268-108586 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(1)(a)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(2)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 + Details
Name: | us-gaap_RestrictedCash
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_ConcentrationRiskByBenchmarkAxis=llit_salesOfGoodsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=us-gaap_ServiceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementOperatingActivitiesSegmentAxis=us-gaap_SegmentContinuingOperationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassBMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |