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Summary of Significant Accounting Policies, Other Assets (Details) - USD ($) | Dec. 31, 2024 | Dec. 31, 2023
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Other Assets [Abstract] |  |
Prepaid and other current assets | $ 315,897 | $ 224,000
Other long-term assets | 714,912 | 704,234
Research tax credits available to the Company | $ 1,030,809 | $ 928,234

X
- Definition Amount of research tax credits available to the entity. + References No definition available. + Details
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- Definition Amount of current research tax credits classified as other. + References No definition available. + Details
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X
- Definition Amount of noncurrent research tax credits classified as other. + References No definition available. + Details
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Namespace Prefix: | femy_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- References No definition available. + Details
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