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v3.25.3

Fair Value Measurement - Present the Key Inputs Applied In the Valuations Warrants (Details) | 12 Months Ended
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Dec. 31, 2024 $ / shares
Change of Control Scenario | Common Warrant |
Event weighting | 55.00%
Value per Common Warrant on a marketable basis | $ 0.98
Discount for lack of marketability | 40.00%
Value per Common Warrant on a non-marketable basis | $ 0.59
Weighted Value per Common Warrant | $ 0.32
IPO Scenario | Common Warrant |
Event weighting | 15.00%
Value per Common Warrant on a marketable basis | $ 7.03
Discount for lack of marketability | 20.00%
Value per Common Warrant on a non-marketable basis | $ 5.62
Weighted Value per Common Warrant | $ 0.84
Default Scenario | Common Warrant |
Event weighting | 30.00%
Total probability weighted value per Common Warrant | $ 1.16
Series J Warrant | Change of Control Scenario |
Average value per Series J Warrant | $ 8.43
Event weighting | 55.00%
Weighted average value per Series J Warrant | $ 4.64
Series J Warrant | IPO Scenario |
Average value per Series J Warrant | $ 2.86
Event weighting | 15.00%
Weighted average value per Series J Warrant | $ 0.43
Series J Warrant | Default Scenario |
Event weighting | 30.00%
Total probability weighted average value per Series J Warrant | $ 5.07

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- Definition Average Fair Value Per Warrant + References No definition available. + Details
Name: | fly_AverageFairValuePerWarrant
Namespace Prefix: | fly_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

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- Definition Discount For Lack Of Marketability + References No definition available. + Details
Name: | fly_DiscountForLackOfMarketability
Namespace Prefix: | fly_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Event Probability Percentage + References No definition available. + Details
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Namespace Prefix: | fly_
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Balance Type: | na
Period Type: | duration

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- Definition Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Assets Weighted Average + References No definition available. + Details
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- Definition Fair Value Per Share Marketable Security + References No definition available. + Details
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- Definition Fair Value Per Share Non Marketable Security + References No definition available. + Details
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Namespace Prefix: | fly_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

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- Definition Probability Weighted Fair Value Per Common Warrant + References No definition available. + Details
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Namespace Prefix: | fly_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

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- Definition Weighted Average Fair Value Per share + References No definition available. + Details
Name: | fly_WeightedAverageFairValuePerShare
Namespace Prefix: | fly_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

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- Definition Weighted Average Fair Value Per Warrant + References No definition available. + Details
Name: | fly_WeightedAverageFairValuePerWarrant
Namespace Prefix: | fly_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

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

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- Details
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Namespace Prefix: |
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Balance Type: |
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- Details
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Namespace Prefix: |
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- Details
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- Details
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Namespace Prefix: |
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