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Concentrations (Details Textual)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Tiburon Customer Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration Risk, Revenue, Percentage	12.00%inlx_ConcentrationRiskRevenuePercentage / us-gaap_ConcentrationRiskByTypeAxis = inlx_TiburonCustomerConcentrationRiskMember	9.00%inlx_ConcentrationRiskRevenuePercentage / us-gaap_ConcentrationRiskByTypeAxis = inlx_TiburonCustomerConcentrationRiskMember
Government Contracts Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration Risk, Revenue, Percentage	50.00%inlx_ConcentrationRiskRevenuePercentage / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_GovernmentContractsConcentrationRiskMember	57.00%inlx_ConcentrationRiskRevenuePercentage / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_GovernmentContractsConcentrationRiskMember
Careworks Customer Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration Risk, Revenue, Percentage	5.00%inlx_ConcentrationRiskRevenuePercentage / us-gaap_ConcentrationRiskByTypeAxis = inlx_CareworksCustomerConcentrationRiskMember	5.00%inlx_ConcentrationRiskRevenuePercentage / us-gaap_ConcentrationRiskByTypeAxis = inlx_CareworksCustomerConcentrationRiskMember
Customer 1 [Member]
Concentration Risk [Line Items]
Concentration Risk, Gross, Accounts Receivables, Percentage	23.00%inlx_ConcentrationRiskGrossAccountsReceivablesPercentage / us-gaap_ConcentrationRiskByTypeAxis = inlx_Customer1Member	24.00%inlx_ConcentrationRiskGrossAccountsReceivablesPercentage / us-gaap_ConcentrationRiskByTypeAxis = inlx_Customer1Member
Customer 2 [Member]
Concentration Risk [Line Items]
Concentration Risk, Gross, Accounts Receivables, Percentage	21.00%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	13.00%inlx_ConcentrationRiskGrossAccountsReceivablesPercentage / us-gaap_ConcentrationRiskByTypeAxis = inlx_Customer3Member	17.00%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	12.00%inlx_ConcentrationRiskGrossAccountsReceivablesPercentage / us-gaap_ConcentrationRiskByTypeAxis = inlx_Customer4Member

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_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: