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v2.4.1.9

Note 6 - Employee Benefit and Savings Plan (Details) (USD $) | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Note 6 - Employee Benefit and Savings Plan (Details) [Line Items] |  |  |
Defined Contribution Plan, Employer Discretionary Contribution Amount (in Dollars) | $ 0 us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount | $ 0 us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount | $ 0 us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount
100% Matching [Member] |  |  |
Note 6 - Employee Benefit and Savings Plan (Details) [Line Items] |  |  |
Defined Contribution Plan, Employer Matching Contribution, Percent of Match | 100.00%us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch / us-gaap_DefinedContributionPlanTypeAxis = tlf_OneHundredPercentMatchingMember | 100.00%us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch / us-gaap_DefinedContributionPlanTypeAxis = tlf_OneHundredPercentMatchingMember | 100.00%us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch / us-gaap_DefinedContributionPlanTypeAxis = tlf_OneHundredPercentMatchingMember
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay | 3.00%us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent / us-gaap_DefinedContributionPlanTypeAxis = tlf_OneHundredPercentMatchingMember | 3.00%us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent / us-gaap_DefinedContributionPlanTypeAxis = tlf_OneHundredPercentMatchingMember | 3.00%us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent / us-gaap_DefinedContributionPlanTypeAxis = tlf_OneHundredPercentMatchingMember
50% Matching [Member] |  |  |
Note 6 - Employee Benefit and Savings Plan (Details) [Line Items] |  |  |
Defined Contribution Plan, Employer Matching Contribution, Percent of Match | 50.00%us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch / us-gaap_DefinedContributionPlanTypeAxis = tlf_FiftyPercentMatchingMember | 50.00%us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch / us-gaap_DefinedContributionPlanTypeAxis = tlf_FiftyPercentMatchingMember | 50.00%us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch / us-gaap_DefinedContributionPlanTypeAxis = tlf_FiftyPercentMatchingMember
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay | 2.00%us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent / us-gaap_DefinedContributionPlanTypeAxis = tlf_FiftyPercentMatchingMember | 2.00%us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent / us-gaap_DefinedContributionPlanTypeAxis = tlf_FiftyPercentMatchingMember | 2.00%us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent / us-gaap_DefinedContributionPlanTypeAxis = tlf_FiftyPercentMatchingMember

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- Details
Name: | tlf_Note6EmployeeBenefitandSavingsPlanDetailsLineItems
Namespace Prefix: | tlf_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Amount of discretionary contributions made by an employer to a defined contribution plan. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Percentage employer matches of the employee's percentage contribution matched. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_DefinedContributionPlanTypeAxis=tlf_FiftyPercentMatchingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedContributionPlanTypeAxis=tlf_OneHundredPercentMatchingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |