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SIGNIFICANT ACCOUNTING POLICIES, Fair Value of Financial Instruments (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021
Fair value of financial instruments [Abstract] |  |
Transfers into (out of) Level 3 | $ 0 | $ 0

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- References No definition available. + Details
Name: | tlfa_FairValueOfFinancialInstrumentsAbstract
Namespace Prefix: | tlfa_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Amount of transfer of financial instrument classified as an asset into (out of) level 3 of the fair value hierarchy. + References No definition available. + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration