Commission percentage.

No definition available.

Name:	INLX_CommissionPercentage
Namespace Prefix:	INLX_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Equity, beneficial ownership, description.

+ References

No definition available.

+ Details

Name:	INLX_EquityBeneficialOwnershipDescription
Namespace Prefix:	INLX_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Payment of success fee.

+ References

No definition available.

+ Details

Name:	INLX_PaymentOfSuccessFee
Namespace Prefix:	INLX_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Share sold percentage.

+ References

No definition available.

+ Details

Name:	INLX_SaleOfStockPercentage
Namespace Prefix:	INLX_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481112/505-10-50-3

+ Details

Name:	us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

+ References

+ Details

Name:	us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 808
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479402/808-10-50-1

+ Details

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

- Definition

The cash outflow associated with the repurchase of amount received from entity's raising of capital via private rather than public placement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-15

+ Details

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

- Definition

Per share or per unit amount of equity securities issued.

+ References

No definition available.

+ Details

Name:	us-gaap_SharesIssuedPricePerShare
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	dei_LegalEntityAxis=INLX_TaglichBrothersIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TypeOfArrangementAxis=INLX_TwoThousandTwentyPrivatePlacementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TypeOfArrangementAxis=INLX_EngagementAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TypeOfArrangementAxis=INLX_TwoThousandTwentyTwoPrivatePlacementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Certain Relationships and Related Transactions (Details Narrative) - USD ($)		12 Months Ended
	May 01, 2020	Dec. 31, 2023	Dec. 31, 2022
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Number of warrants to purchase common stock		0	124,258
Taglich Brothers Inc [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Payments to private placement		$ 696,420
Number of warrants to purchase common stock		124,258
Warrants exercise price, per share		$ 4.62
2020 Private Placement [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Shares issued, price per share			$ 4.62
Equity, beneficial ownership, description		William M. Cooke, chair of the board of directors of Intellinetics, retired from his position as Vice President of Investment Banking at Taglich Brothers, Inc. effective December 31, 2023. Robert F. Taglich and Michael N. Taglich, each beneficial owners of more than 5% of our common stock, are both principals of Taglich Brothers, Inc
Engagement Agreement [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Payment of success fee	$ 200,000
2022 Private Placement [Member] \| Taglich Brothers Inc [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Commission percentage		8.00%
Share sold percentage		10.00%