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Note 5 - Fair Value Measurements (Details Textual) - USD ($) |  | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | ---
Aug. 09, 2023 | Jun. 30, 2024 | Sep. 30, 2023 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | Mar. 17, 2023
Discount Rate of Project Revenue | 40.75% |  |  |  |  |  | 40.80%
Fair Value, Asset (Liability), Recurring Basis, Still Held, Unrealized Gain (Loss) |  | $ 0 |  | $ 0 | $ 0 | $ 0 |
GMDC [Member] |  |  |  |  |  |  |
Business Combination, Contingent Annual Payments, Percentage | 5.00% |  |  |  |  |  | 5.00%
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High | $ 4,000,000 |  |  |  |  |  |
Business Combination, Contingent Consideration Arrangements, Tax, Percentage | 27.00% |  |  |  |  |  |
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Asset | $ 1,000,000 |  | $ 1,000,000 |  |  |  |
Contingent Consideration, Gain (loss) | $ 318,000 |  | $ 318,000 |  |  |  |

X
- Definition Percentage of contingent annual payments for business combination. + References No definition available. + Details
Name: | aiff_BusinessCombinationContingentAnnualPaymentsPercentage
Namespace Prefix: | aiff_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents the income tax rate on the contingent consideration. + References No definition available. + Details
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Namespace Prefix: | aiff_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents the amount of gain (loss) on contingent consideration during the period. + References No definition available. + Details
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Namespace Prefix: | aiff_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Represents discount rate of project revenue. + References No definition available. + Details
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Namespace Prefix: | aiff_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of increase (decrease) in the value of right to a contingent consideration asset. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 805 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479581/805-30-50-4 + Details
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X
- Definition For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479581/805-30-50-1 + Details
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- Definition Amount of unrealized gain (loss) recognized in income from asset (liability) measured at fair value on recurring basis using unobservable input (level 3) and still held. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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- Details
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