XML 28 R35.htm IDEA: XBRL DOCUMENT v2.4.1.9
NOTES PAYABLE (Details Textual) (USD $)
3 Months Ended 12 Months Ended
Mar. 31, 2015
Dec. 31, 2014
Dec. 31, 2011
Notes Payable [Line Items]      
Long-term Debt, Gross $ 19,782,377us-gaap_DebtInstrumentCarryingAmount $ 19,544,720us-gaap_DebtInstrumentCarryingAmount $ 16,876,000us-gaap_DebtInstrumentCarryingAmount
Debt Instrument, Interest Rate During Period 5.00%us-gaap_DebtInstrumentInterestRateDuringPeriod 5.00%us-gaap_DebtInstrumentInterestRateDuringPeriod  
Convertible Notes Payable [Member]      
Notes Payable [Line Items]      
Debt Instrument, Convertible, Conversion Price $ 1,125us-gaap_DebtInstrumentConvertibleConversionPrice1
/ us-gaap_ShortTermDebtTypeAxis
= us-gaap_ConvertibleNotesPayableMember
   
Debt Instrument, Maturity Date Mar. 08, 2015    
Ariston [Member]      
Notes Payable [Line Items]      
Percentage Of Cash Proceeds From Operation To Repay Interest On Convertible Debt 50.00%tgtx_PercentageOfCashProceedsFromOperationToRepayInterestOnConvertibleDebt
/ us-gaap_BusinessAcquisitionAxis
= tgtx_AristonMember
   
Debt Instrument, Interest Rate During Period 5.00%us-gaap_DebtInstrumentInterestRateDuringPeriod
/ us-gaap_BusinessAcquisitionAxis
= tgtx_AristonMember
   
Exchange Transaction [Member]      
Notes Payable [Line Items]      
Debt Instrument, Fair Value Disclosure     $ 3,287,700us-gaap_DebtInstrumentFairValue
/ us-gaap_StatementScenarioAxis
= tgtx_ExchangeTransactionMember