Stockholder's Equity (Details) - USD ($)	1 Months Ended		6 Months Ended
	Mar. 21, 2022	Mar. 18, 2022	Jun. 30, 2022	Dec. 31, 2021
Stockholder's Equity (Details) [Line Items]
Subscription agreements, description		●On March 18 and March 21, 2022, the Company entered into Subscription Agreements (the “Subscription Agreements”) with an accredited investor and certain members of authID’s management team (the “PIPE Investors”), and, pursuant to the Subscription Agreements, sold to the PIPE Investors a total of 1,063,514 shares of our common stock at prices of $3.03 per share for an outside investor and $3.70 per share for the management investors (the “PIPE”).
Gross proceeds			$ 3,300,000
Common stock of shares issued (in Shares)			28,496
Conversion notices, description			, on June 30, 2022, the Company issued 116,896 shares of common stock for approximately $251,000 of interest owed from the effective date of the Convertible Notes until June 30, 2022.
Common stock of shares issued (in Shares)			24,789,418	23,294,024
Common stock approximately, intrest owend			$ 251,000
Credit facility amount	$ 10,000,000
Common shares issued (in Shares)			186,488
Stock option based compensation expense			$ 4,499,000
Performance-based awards of directors and officers			1,396,000
Unrecognized compensation costs			$ 13,450,774
Common Stock [Member]
Stockholder's Equity (Details) [Line Items]
Common stock of shares issued (in Shares)			116,896
common stock of fair market value (in Dollars per share)	$ 3.03
Credit Facility [Member]
Stockholder's Equity (Details) [Line Items]
Shares of common stock (in Shares)	100,000