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Note 9 - Commitments and Contingencies (Details Textual) - USD ($) | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 24, 2012 | Mar. 31, 2014 | Dec. 31, 2013 | Jun. 30, 2013 | Sep. 30, 2012 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Operating Leases, Rent Expense |  |  |  |  |  | $ 3,844,641 | $ 3,675,788 | $ 3,312,152
Litigation Settlement, Amount | $ 993,386 |  |  |  |  |  |  |
Payments for Legal Settlements |  | $ 744,273 |  |  |  |  |  |
Loss Contingency Escrow Deposit |  | 993,386 |  |  |  |  |  |
Loss Contingency Escrow Account Balance |  | $ 249,000 |  |  |  |  |  |
Litigation Settlement, Expense |  |  |  |  | $ 993,386 |  |  |
Loss Contingency Benefit |  |  |  | $ 312,000 |  |  |  |
Litigation Settlement, Payroll Taxes |  |  | $ 63,000 |  |  |  |  |

X
- Definition Payroll taxes associated with litigation payments. + References No definition available. + Details
Name: | tlf_LitigationSettlementPayrollTaxes
Namespace Prefix: | tlf_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Loss Contingency, Benefit + References No definition available. + Details
Name: | tlf_LossContingencyBenefit
Namespace Prefix: | tlf_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Loss Contingency, Escrow Account Balance + References No definition available. + Details
Name: | tlf_LossContingencyEscrowAccountBalance
Namespace Prefix: | tlf_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Loss Contingency, Escrow Deposit + References No definition available. + Details
Name: | tlf_LossContingencyEscrowDeposit
Namespace Prefix: | tlf_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line. + References No definition available. + Details
Name: | us-gaap_LeaseAndRentalExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of judgment or settlement awarded to (against) the entity in respect of litigation. + References No definition available. + Details
Name: | us-gaap_LitigationSettlementAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of litigation expense, including but not limited to legal, forensic, accounting, and investigative fees. + References No definition available. + Details
Name: | us-gaap_LitigationSettlementExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of cash paid for the settlement of litigation or for other legal issues during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3536-108585 + Details
Name: | us-gaap_PaymentsForLegalSettlements
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration