Stockholders' Equity - Schedule of Share Based Compensation Expense (Details) - USD ($)	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019
Equity [Abstract]
Stock options	$ 198,407	$ 515,805
Restricted stock units	140,000	69,060
Performance stock units	71,070
Share-based Compensation, Total	$ 409,477	$ 584,865

Performance stock units.

No definition available.

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Namespace Prefix:	IDN_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- References

No definition available.

+ Details

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- Definition

Amount of noncash expense for award of restricted stock or unit under share-based payment arrangement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585

+ Details

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

- Definition

Amount of noncash expense for share-based payment arrangement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585

+ Details

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- Definition

Amount of noncash expense for option under share-based payment arrangement.

+ References

+ Details

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Period Type:	duration