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Note 10 - Commitments and Contingencies (Details Textual) - IIA Royalty Commitment [Member] - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
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Research Agreement, Royalty Percentage | 3.00% |
Other Commitment | $ 5,625 | $ 5,576

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- Definition Represents the royalty percentage of a research agreement. + References No definition available. + Details
Name: | aiff_ResearchAgreementRoyaltyPercentage
Namespace Prefix: | aiff_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

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- Definition Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions. + References No definition available. + Details
Name: | us-gaap_OtherCommitment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Details
Name: | us-gaap_OtherCommitmentsAxis=aiff_IiaRoyaltyCommitmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |