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v3.20.1

Notes Payable - Schedule of Notes Payable (Details) (Parenthetical) | 12 Months Ended
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Dec. 31, 2019 USD ($)
2016 Unrelated Notes [Member] |
Beneficial conversion feature | $ 50,703

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- Definition Amount of a favorable spread to a debt holder between the amount of debt being converted and the value of the securities received upon conversion. This is an embedded conversion feature of convertible debt issued that is in-the-money at the commitment date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21538-112644 + Details
Name: | us-gaap_DebtInstrumentConvertibleBeneficialConversionFeature
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Details
Name: | us-gaap_LongtermDebtTypeAxis=INLX_TwoThousandAndSixteenUnrelatedNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |