Face amount of the combined Promissory note.

No definition available.

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

- Definition

Date when the debt instrument maturity date extended in CCYY-MM-DD format.

+ References

No definition available.

+ Details

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- Definition

The amount of interest expense incurred during the period on Notes Payable to a related party.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(2))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Amount of interest payable on debt, including, but not limited to, trade payables.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.15(5))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.15(a))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate.

+ References

+ Details

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- Definition

The amount for notes payable (written promise to pay), due to related parties.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.17)
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(k)(1))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864

+ Details

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Balance Type:	credit
Period Type:	instant

- 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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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

+ References

No definition available.

+ Details

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

- Details

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- Details

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Balance Type:
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- Details

Name:	us-gaap_ShortTermDebtTypeAxis=inlx_April162012Member
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- Details

Name:	us-gaap_LongtermDebtTypeAxis=inlx_ShealyNote250000Member
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- Details

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Notes Payable - Related Parties (Details Textual) - USD ($)		1 Months Ended			3 Months Ended		9 Months Ended		12 Months Ended
	Mar. 13, 2013	Jan. 31, 2016	Apr. 16, 2012	Mar. 29, 2012	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 24, 2013	Nov. 24, 2012	Mar. 02, 2009	Dec. 29, 2001
Related Party Transaction [Line Items]
Notes Payable, Related Parties					$ 136,380		$ 136,380			$ 220,214
Interest Payable					0		0			$ 12,852
Interest Expenses of Notes Payable in Related Parties					3,556	$ 125,274	11,288	$ 268,783
Director [Member] \| March 29, 2012 [Member]
Related Party Transaction [Line Items]
Notes Payable, Related Parties			$ 12,000	$ 238,000
Debt Instrument, Maturity Date				Sep. 27, 2012
Long-Term Debt, Percentage Bearing Fixed Interest, Percentage Rate			10.00%	10.00%
Debt instrument Maturity Date Extension				Apr. 16, 2012
Director [Member] \| April 16, 2012 [Member]
Related Party Transaction [Line Items]
Debt Instrument, Maturity Date			Jul. 15, 2012
Debt instrument Maturity Date Extension			Nov. 24, 2012
Shealy Note 250,000 [Member] \| March 29, 2012 [Member]
Related Party Transaction [Line Items]
Repayments of Debt	$ 100,000						136,380		$ 193,453
Interest Payable					0		0
Combined Promissory Note Face Amount												$ 250,000
Shealy Note 250,000 [Member] \| Director [Member]
Related Party Transaction [Line Items]
Debt Instrument, Maturity Date									Jan. 01, 2015
Combined Promissory Note Face Amount											$ 250,000
Jackie Chretien Note 80,000 [Member] \| March 2, 2009 [Member]
Related Party Transaction [Line Items]
Notes Payable, Related Parties													$ 80,000
Repayments of Debt		$ 15,000
Interest Payable		$ 4,403
Debt Instrument, Interest Rate, Stated Percentage													5.00%
A Michael Chretien Note 55,167 [Member] \| December 29, 2001 [Member]
Related Party Transaction [Line Items]
Notes Payable, Related Parties														$ 55,167
Repayments of Debt							40,415
Interest Payable					$ 7,053		$ 7,053