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Deferred Compensation (Details Textual)	Dec. 31, 2015 USD ($)
Employment Agreements With Founders [Member]
Deferred Compensation [Line Items]
Deferred Compensation Liability, Classified, Noncurrent	$ 215,012

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- References

No definition available.

+ Details

Name:	inlx_DeferredCompensationLineItems
Namespace Prefix:	inlx_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

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- Definition

Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements payable beyond one year (or the operating cycle, if longer).

+ References

No definition available.

+ Details

Name:	us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

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- Details

Name:	us-gaap_TitleOfIndividualAxis=inlx_EmploymentAgreementsWithFoundersMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: