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Note 11 - Liability for Employee Rights Upon Retirement (Details Textual) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2026 | Mar. 31, 2025
Monthly Deposit Rate, Percent of Salary |  | 8.33%
Employee Benefits and Share-Based Compensation | $ 10 | $ 11

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- Definition The percentage of salary the monthly deposit rate is set at. + References No definition available. + Details
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Namespace Prefix: | aiff_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

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- Definition Amount of expense for employee benefit and equity-based compensation. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(2)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2 + Details
Name: | us-gaap_EmployeeBenefitsAndShareBasedCompensation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration