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v3.22.1

Related Party Transactions (Details) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2022 USD ($)
Two Directors [Member] |
Related Party Transactions (Details) [Line Items] |
Cash invested | $ 1.2
Common stock offering | 0.2
Executive Officer [Member] |
Related Party Transactions (Details) [Line Items] |
Cash invested | 1.2
Common stock offering | $ 0.2

X
- Definition Cash invested + References No definition available. + Details
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Namespace Prefix: | auid_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Common stock offering + References No definition available. + Details
Name: | auid_CommonStockOffering
Namespace Prefix: | auid_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
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Namespace Prefix: | auid_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_TitleOfIndividualAxis=srt_ExecutiveOfficerMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |