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Note 10 - Stockholders' Equity (Details) (USD $) In Millions, except Share data, unless otherwise specified | 0 Months Ended | 1 Months Ended | 12 Months Ended | 1 Months Ended | 12 Months Ended | 0 Months Ended
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Aug. 08, 2014 | Jun. 09, 2014 | Apr. 02, 2012 | Feb. 28, 2012 | Dec. 31, 2014 | Feb. 28, 2014 | Dec. 31, 2013 | Jun. 06, 2013
Note 10 - Stockholders' Equity (Details) [Line Items] |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period |  |  |  |  | 6 months |  |  |
Common Stock, Dividends, Per Share, Declared (in Dollars per share) |  | $ 0.25 us-gaap_CommonStockDividendsPerShareDeclared |  | $ 0.25 us-gaap_CommonStockDividendsPerShareDeclared |  |  |  |
Payments of Dividends (in Dollars) | $ 2.5 us-gaap_PaymentsOfDividends |  | $ 2.5 us-gaap_PaymentsOfDividends |  |  |  |  |
Common Stock, Par or Stated Value Per Share (in Dollars per share) |  |  |  |  | $ 0.0024 us-gaap_CommonStockParOrStatedValuePerShare |  | 0.0024 us-gaap_CommonStockParOrStatedValuePerShare |
Restricted Stock [Member] | Executive Officers, Non-employee Directors and Other Key Employees [Member] | Restricted Stock Plan [Member] |  |  |  |  |  |  |  |
Note 10 - Stockholders' Equity (Details) [Line Items] |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized |  |  |  |  | 300,000 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / us-gaap_PlanNameAxis = tlf_RestrictedStockPlanMember / us-gaap_TitleOfIndividualAxis = tlf_ExecutiveOfficersNonEmployeeDirectorsAndOtherKeyEmployeesMember |  |  |
Restricted Stock [Member] | Chief Executive Officer [Member] | Restricted Stock Plan [Member] |  |  |  |  |  |  |  |
Note 10 - Stockholders' Equity (Details) [Line Items] |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period |  |  |  |  |  | 9,375 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / us-gaap_PlanNameAxis = tlf_RestrictedStockPlanMember / us-gaap_TitleOfIndividualAxis = us-gaap_ChiefExecutiveOfficerMember |  |
Restricted Stock [Member] | Chief Executive Officer [Member] |  |  |  |  |  |  |  |
Note 10 - Stockholders' Equity (Details) [Line Items] |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period |  |  |  |  |  | 9,375 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / us-gaap_TitleOfIndividualAxis = us-gaap_ChiefExecutiveOfficerMember |  |
Restricted Stock [Member] | Chief Financial Officer [Member] | Restricted Stock Plan [Member] |  |  |  |  |  |  |  |
Note 10 - Stockholders' Equity (Details) [Line Items] |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period |  |  |  |  |  | 9,375 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / us-gaap_PlanNameAxis = tlf_RestrictedStockPlanMember / us-gaap_TitleOfIndividualAxis = us-gaap_ChiefFinancialOfficerMember |  |
Restricted Stock [Member] | Chief Financial Officer [Member] |  |  |  |  |  |  |  |
Note 10 - Stockholders' Equity (Details) [Line Items] |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period |  |  |  |  |  | 9,375 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / us-gaap_TitleOfIndividualAxis = us-gaap_ChiefFinancialOfficerMember |  |
Restricted Stock [Member] | Senior Vice President [Member] | Restricted Stock Plan [Member] |  |  |  |  |  |  |  |
Note 10 - Stockholders' Equity (Details) [Line Items] |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period |  |  |  |  |  | 9,375 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / us-gaap_PlanNameAxis = tlf_RestrictedStockPlanMember / us-gaap_TitleOfIndividualAxis = tlf_SeniorVicePresidentMember |  |
Restricted Stock [Member] | Senior Vice President [Member] |  |  |  |  |  |  |  |
Note 10 - Stockholders' Equity (Details) [Line Items] |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period |  |  |  |  |  | 9,375 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / us-gaap_TitleOfIndividualAxis = tlf_SeniorVicePresidentMember |  |
Restricted Stock [Member] | Independent Director 1 [Member] | Restricted Stock Plan [Member] |  |  |  |  |  |  |  |
Note 10 - Stockholders' Equity (Details) [Line Items] |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period |  |  |  |  |  | 1,619 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / us-gaap_PlanNameAxis = tlf_RestrictedStockPlanMember / us-gaap_TitleOfIndividualAxis = tlf_IndependentDirector1Member |  |
Restricted Stock [Member] | Independent Director 1 [Member] |  |  |  |  |  |  |  |
Note 10 - Stockholders' Equity (Details) [Line Items] |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period |  |  |  |  |  | 1,619 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / us-gaap_TitleOfIndividualAxis = tlf_IndependentDirector1Member |  |
Restricted Stock [Member] | Independent Director 2 [Member] | Restricted Stock Plan [Member] |  |  |  |  |  |  |  |
Note 10 - Stockholders' Equity (Details) [Line Items] |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period |  |  |  |  |  | 1,619 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / us-gaap_PlanNameAxis = tlf_RestrictedStockPlanMember / us-gaap_TitleOfIndividualAxis = tlf_IndependentDirector2Member |  |
Restricted Stock [Member] | Independent Director 2 [Member] |  |  |  |  |  |  |  |
Note 10 - Stockholders' Equity (Details) [Line Items] |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period |  |  |  |  |  | 1,619 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / us-gaap_TitleOfIndividualAxis = tlf_IndependentDirector2Member |  |
Restricted Stock [Member] | Independent Director 3 [Member] | Restricted Stock Plan [Member] |  |  |  |  |  |  |  |
Note 10 - Stockholders' Equity (Details) [Line Items] |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period |  |  |  |  |  | 1,619 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / us-gaap_PlanNameAxis = tlf_RestrictedStockPlanMember / us-gaap_TitleOfIndividualAxis = tlf_IndependentDirector3Member |  |
Restricted Stock [Member] | Independent Director 3 [Member] |  |  |  |  |  |  |  |
Note 10 - Stockholders' Equity (Details) [Line Items] |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period |  |  |  |  |  | 1,619 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / us-gaap_TitleOfIndividualAxis = tlf_IndependentDirector3Member |  |
Restricted Stock [Member] | Independent Director 4 [Member] | Restricted Stock Plan [Member] |  |  |  |  |  |  |  |
Note 10 - Stockholders' Equity (Details) [Line Items] |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period |  |  |  |  |  | 1,619 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / us-gaap_PlanNameAxis = tlf_RestrictedStockPlanMember / us-gaap_TitleOfIndividualAxis = tlf_IndependentDirector4Member |  |
Restricted Stock [Member] | Independent Director 4 [Member] |  |  |  |  |  |  |  |
Note 10 - Stockholders' Equity (Details) [Line Items] |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period |  |  |  |  |  | 1,619 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / us-gaap_TitleOfIndividualAxis = tlf_IndependentDirector4Member |  |
Restricted Stock [Member] | Restricted Stock Plan [Member] |  |  |  |  |  |  |  |
Note 10 - Stockholders' Equity (Details) [Line Items] |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period |  |  |  |  | 4 years |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period |  |  |  |  |  |  | 0 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / us-gaap_PlanNameAxis = tlf_RestrictedStockPlanMember |
Restricted Stock [Member] |  |  |  |  |  |  |  |
Note 10 - Stockholders' Equity (Details) [Line Items] |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period |  |  |  |  | 4 years |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized |  |  |  |  | 300,000 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period |  |  |  |  | 34,601 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember |  | 0 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember |
2007 Director Non-Qualified Stock Option Plan [Member] |  |  |  |  |  |  |  |
Note 10 - Stockholders' Equity (Details) [Line Items] |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period |  |  |  |  | 6 months |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized |  |  |  |  | 100,000 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized / us-gaap_PlanNameAxis = tlf_The2007DirectorNonQualifiedStockOptionPlanMember |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period |  |  |  |  | 10 years |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant |  |  |  |  | 21,400 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant / us-gaap_PlanNameAxis = tlf_The2007DirectorNonQualifiedStockOptionPlanMember |  |  |
Restricted Stock Plan [Member] |  |  |  |  |  |  |  |
Note 10 - Stockholders' Equity (Details) [Line Items] |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant |  |  |  |  | 265,399 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant / us-gaap_PlanNameAxis = tlf_RestrictedStockPlanMember |  |  |
Stockholder Rights Plan [Member] |  |  |  |  |  |  |  |
Note 10 - Stockholders' Equity (Details) [Line Items] |  |  |  |  |  |  |  |
Dividends, Common Stock, Preferred Share Purchase Rights, Per Share (in Dollars per share) |  |  |  |  |  |  |  | $ 1 tlf_DividendsCommonStockPreferredSharePurchaseRightsPerShare / us-gaap_PlanNameAxis = tlf_StockholderRightsPlanMember
Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per share) |  |  |  |  |  |  |  | $ 30.00 us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_PlanNameAxis = tlf_StockholderRightsPlanMember
Class of Warrant or Right, Exercisable Condition, Common Stcok Ownership, Percentage |  |  |  |  |  |  |  | 20.00%tlf_ClassOfWarrantOrRightExercisableConditionCommonStcokOwnershipPercentage / us-gaap_PlanNameAxis = tlf_StockholderRightsPlanMember

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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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