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Summary of Changes in Fair Value of Earnout Liabilities (Details) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Fair Value Disclosures [Abstract] |  |  |  |
Fair value, Beginning balance | $ 728,853 | $ 1,566,478 | $ 1,630,681 | $ 2,444,000
Payment |  |  | (1,018,333) | (954,733)
Change in fair value | 28,494 |  | 144,999 | 77,211
Fair value, Ending balance | $ 757,347 | $ 1,566,478 | $ 757,347 | $ 1,566,478

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- Definition Adjustment to fair value of contingent consideration earnout. + References No definition available. + Details
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Namespace Prefix: | INLX_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Earnout liability. + References No definition available. + Details
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Namespace Prefix: | INLX_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Payment for contingent consideration earnout. + References No definition available. + Details
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Namespace Prefix: | INLX_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
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