XML 15 R6.htm IDEA: XBRL DOCUMENT v3.22.1

Statements of Stockholders' Equity (Unaudited) (Parenthetical) - shares	3 Months Ended	9 Months Ended		12 Months Ended
	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2021
Statement of Stockholders' Equity [Abstract]
Exercise of stock options, net of cashless exercise of shares	82,161	58,122	93,570	58,122
Exercise of stock options, net of cashless exercise shares withheld		92,634		92,634

X

- Definition

Exercise of stock options, net of cashless exercise of shares.

+ References

No definition available.

+ Details

Name:	IDN_ExerciseOfStockOptionsNetOfCashlessExerciseShares
Namespace Prefix:	IDN_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Exercise of stock options, net of cashless exercise shares withheld.

+ References

No definition available.

+ Details

Name:	IDN_ExerciseOfStockOptionsNetOfCashlessExerciseSharesWithheld
Namespace Prefix:	IDN_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

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