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Concentrations (Details Textual)	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Tiburon Customer Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration Risk, Revenue, Percentage	8.00%	16.00%	11.00%	14.00%
Government Contracts Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration Risk, Revenue, Percentage	42.00%	50.00%	42.00%	49.00%
Washington State Patrol Customer Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration Risk, Revenue, Percentage	9.00%		5.00%	7.00%
Customer 1 [Member]
Concentration Risk [Line Items]
Concentration Risk, Gross, Accounts Receivables, Percentage	17.00%	45.00%	17.00%	45.00%
Customer 2 [Member]
Concentration Risk [Line Items]
Concentration Risk, Gross, Accounts Receivables, Percentage	17.00%	16.00%	17.00%	16.00%
Customer 3 [Member]
Concentration Risk [Line Items]
Concentration Risk, Gross, Accounts Receivables, Percentage		11.00%		11.00%
Alabama Department of Insurance ALDOI” [Member]
Concentration Risk [Line Items]
Concentration Risk, Revenue, Percentage		10.00%

X

- Definition

Concentration Risk associated with the Accounts Receivable Gross of the company.

+ References

No definition available.

+ Details

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X

- Definition

Concentration Risk associated with the Revenues of the company.

+ References

No definition available.

+ Details

Name:	inlx_ConcentrationRiskRevenuePercentage
Namespace Prefix:	inlx_
Data Type:	num:percentItemType
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X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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X

- Details

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X

- Details

Name:	us-gaap_ConcentrationRiskByTypeAxis=us-gaap_GovernmentContractsConcentrationRiskMember
Namespace Prefix:
Data Type:	na
Balance Type:
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X

- Details

Name:	us-gaap_ConcentrationRiskByTypeAxis=inlx_WashingtonStatePatrolCustomerConcentrationRiskMember
Namespace Prefix:
Data Type:	na
Balance Type:
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X

- Details

Name:	us-gaap_ConcentrationRiskByTypeAxis=inlx_Customer1Member
Namespace Prefix:
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Balance Type:
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X

- Details

Name:	us-gaap_ConcentrationRiskByTypeAxis=inlx_Customer2Member
Namespace Prefix:
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Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ConcentrationRiskByTypeAxis=inlx_Customer3Member
Namespace Prefix:
Data Type:	na
Balance Type:
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X

- Details

Name:	us-gaap_ConcentrationRiskByTypeAxis=inlx_AlabamaDepartmentOfInsuranceAldoiMember
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