Represents pricing grid under debt instrument as percentage for borrowing.

No definition available.

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Namespace Prefix:	tgtx_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents step-down upon achievement of specific threshold under debt instrument for pricing grid as percentage.

+ References

No definition available.

+ Details

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Namespace Prefix:	tgtx_
Data Type:	dtr-types:percentItemType
Balance Type:	na
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- Definition

Minimum Term SOFR required under debt instrument.

+ References

No definition available.

+ Details

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Namespace Prefix:	tgtx_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Principal amount of additional borrowing facility available under debt instrument.

+ References

No definition available.

+ Details

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Namespace Prefix:	tgtx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of amortization expense attributable to debt issuance costs.

+ References

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of the required periodic payments including both interest and principal payments.

+ References

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- Definition

Amount of unamortized debt discount (premium) and debt issuance costs.

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Period Type:	instant

- Definition

Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

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Balance Type:	debit
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- Details

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- Details

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Note 7 - Loan Payable (Details Textual) - USD ($) $ in Thousands		3 Months Ended
	Aug. 02, 2024	Mar. 31, 2025	Mar. 31, 2024
Amortization of Debt Issuance Costs		$ 304	$ 639
Initial Term Loan [Member]
Debt Instrument, Face Amount	$ 250,000
Debt Instrument, Uncommitted Additional Borrowing Facility, Principal	$ 100,000
Debt Instrument, Term SOFR, Minimum	1.00%
Debt Instrument, Pricing Grid, Step-down Upon Achievement of Specific Threshold, Percentage	0.25%
Debt Instrument, Periodic Payment	$ 12,500
Debt Issuance Costs, Gross	$ 6,000
Amortization of Debt Issuance Costs		300	$ 600
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net		$ 5,300
Initial Term Loan [Member] \| Fed Funds Effective Rate Overnight Index Swap Rate [Member]
Debt Instrument, Basis Spread on Variable Rate	0.50%
Initial Term Loan [Member] \| Secured Overnight Financing Rate (SOFR) [Member]
Debt Instrument, Basis Spread on Variable Rate	1.00%
Debt Instrument, Pricing Grid, Percentage for Borrowing	5.50%
Initial Term Loan [Member] \| Base Rate [Member]
Debt Instrument, Pricing Grid, Percentage for Borrowing	4.50%