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Concentrations (Details Textual)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Tiburon Customer Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration Risk, Revenue, Percentage	15.00%inlx_ConcentrationRiskRevenuePercentage / us-gaap_ConcentrationRiskByTypeAxis = inlx_TiburonCustomerConcentrationRiskMember	15.00%inlx_ConcentrationRiskRevenuePercentage / us-gaap_ConcentrationRiskByTypeAxis = inlx_TiburonCustomerConcentrationRiskMember
Government Contracts Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration Risk, Revenue, Percentage	45.00%inlx_ConcentrationRiskRevenuePercentage / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_GovernmentContractsConcentrationRiskMember	44.00%inlx_ConcentrationRiskRevenuePercentage / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_GovernmentContractsConcentrationRiskMember
Careworks Customer Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration Risk, Revenue, Percentage		7.00%inlx_ConcentrationRiskRevenuePercentage / us-gaap_ConcentrationRiskByTypeAxis = inlx_CareworksCustomerConcentrationRiskMember
Customer 1 [Member]
Concentration Risk [Line Items]
Concentration Risk, Gross, Accounts Receivables, Percentage	18.00%inlx_ConcentrationRiskGrossAccountsReceivablesPercentage / us-gaap_ConcentrationRiskByTypeAxis = inlx_Customer1Member		23.00%inlx_ConcentrationRiskGrossAccountsReceivablesPercentage / us-gaap_ConcentrationRiskByTypeAxis = inlx_Customer1Member
Customer 2 [Member]
Concentration Risk [Line Items]
Concentration Risk, Gross, Accounts Receivables, Percentage	15.00%inlx_ConcentrationRiskGrossAccountsReceivablesPercentage / us-gaap_ConcentrationRiskByTypeAxis = inlx_Customer2Member		21.00%inlx_ConcentrationRiskGrossAccountsReceivablesPercentage / us-gaap_ConcentrationRiskByTypeAxis = inlx_Customer2Member
Customer 3 [Member]
Concentration Risk [Line Items]
Concentration Risk, Gross, Accounts Receivables, Percentage	11.00%inlx_ConcentrationRiskGrossAccountsReceivablesPercentage / us-gaap_ConcentrationRiskByTypeAxis = inlx_Customer3Member		13.00%inlx_ConcentrationRiskGrossAccountsReceivablesPercentage / us-gaap_ConcentrationRiskByTypeAxis = inlx_Customer3Member
Customer 4 [Member]
Concentration Risk [Line Items]
Concentration Risk, Gross, Accounts Receivables, Percentage	10.00%inlx_ConcentrationRiskGrossAccountsReceivablesPercentage / us-gaap_ConcentrationRiskByTypeAxis = inlx_Customer4Member		10.00%inlx_ConcentrationRiskGrossAccountsReceivablesPercentage / us-gaap_ConcentrationRiskByTypeAxis = inlx_Customer4Member
Ohio State Highway Patrol Customer Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration Risk, Revenue, Percentage	8.00%inlx_ConcentrationRiskRevenuePercentage / us-gaap_ConcentrationRiskByTypeAxis = inlx_OhioStateHighwayPatrolCustomerConcentrationRiskMember

X

- Definition

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

+ References

No definition available.

+ Details

Name:	inlx_ConcentrationRiskGrossAccountsReceivablesPercentage
Namespace Prefix:	inlx_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

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
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_ConcentrationRiskLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_ConcentrationRiskByTypeAxis=inlx_CareworksCustomerConcentrationRiskMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ConcentrationRiskByTypeAxis=inlx_Customer1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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

X

- Details

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

X

- Details

Name:	us-gaap_ConcentrationRiskByTypeAxis=inlx_Customer4Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ConcentrationRiskByTypeAxis=inlx_OhioStateHighwayPatrolCustomerConcentrationRiskMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ConcentrationRiskByTypeAxis=inlx_TiburonCustomerConcentrationRiskMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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