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Notes Payable - Related Parties - Schedule of Notes Payable Due to Related Parties (Details) (Parenthetical)	12 Months Ended
	Dec. 31, 2019 USD ($)
2016 Related Notes [Member]
Beneficial conversion feature	$ 20,015

X

- 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

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

Name:	us-gaap_LongtermDebtTypeAxis=INLX_TwoThousandAndSixteenRelatedNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: