The yearly payments due under the lease entered into in connection with the possession of the office space.

No definition available.

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Represents the purchase price of per share.

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Represents the purchase price of per share.

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Describes the term of the lease payment arrangement.

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- Definition

Amount represents the minimum value of additional shares of common stock to be purchased under licensing agreement.

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Number of common shares granted in connection with license agreement by excercise of warrants during the reporting period.

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- Definition

Number of common shares granted in connection with license agreement by issue of warrants during the reporting period.

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- Definition

Occupancy percentage of the office space.

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No definition available.

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- Definition

Sum of the amounts paid in advance for capitalized costs that will be expensed with Research and development.

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No definition available.

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Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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Costs of sales and operating expenses for the period incurred from transactions with related parties.

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-Name Accounting Standards Codification

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-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.2)

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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-Name Accounting Standards Codification

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-Section 50

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Amount of other research and development expense.

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-Topic 730

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-Section 50

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Cash received on stock transaction after deduction of issuance costs.

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No definition available.

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The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

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No definition available.

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Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.

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The amount of an asset, typically cash, provided to a counterparty to provide certain assurance of performance by the entity pursuant to the terms of a written or oral agreement, such as a lease.

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Number of new stock issued during the period.

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-Name Regulation S-X (SX)

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RELATED PARTY TRANSACTIONS (Details Textual) (USD $)	3 Months Ended		1 Months Ended		0 Months Ended	12 Months Ended
RELATED PARTY TRANSACTIONS (Details Textual) (USD $)	Mar. 31, 2015	Mar. 31, 2014	Feb. 28, 2015	Jan. 30, 2012	Oct. 03, 2014	Dec. 31, 2014	May 08, 2015	Nov. 09, 2012	Oct. 31, 2014
Related Party Transaction [Line Items]
Sale of Stock, Price Per Share	$ 15.87us-gaap_SaleOfStockPricePerShare
Other research and development	$ 8,279,431	$ 2,508,258
Prepaid Research And Development	9,810,887tgtx_PrepaidResearchAndDevelopment					6,179,743tgtx_PrepaidResearchAndDevelopment
Subsequent Event [Member]
Related Party Transaction [Line Items]
Sale of Stock, Price Per Share							$ 16.38
LFB License Agreement [Member]
Related Party Transaction [Line Items]
Sale of Stock, Number of Shares Issued in Transaction			114,855
Sale of Stock, Price Per Share			$ 6.53
Sale of Stock, Consideration Received on Transaction			750,000
Minimum Value of Shares To Be Purchased	750,000
Opus [Member]
Related Party Transaction [Line Items]
Accounts Payable	20,000
Costs and Expenses, Related Party	59,000
LFB Group [Member]
Related Party Transaction [Line Items]
Stock Issued During Period, Shares, New Issues				5,000,000
Other research and development	161,000	183,000
Accounts Payable	3,134,000					52,000
Number Of Common Stock Shares Granted In Connection With License Agreement By Issue Of Warrants				2,500,000
Common Stock Purchase Price Per Share				$ 0.001
Prepaid Research And Development	6,090,548					1,886,518
LFB Group [Member] \| Maximum [Member]
Related Party Transaction [Line Items]
Equity Method Investment, Ownership Percentage								10.00%
LFB Group [Member] \| Subsequent Event [Member]
Related Party Transaction [Line Items]
Number Of Common Stock Shares Granted In Connection With License Agreement By Excercise Of Warrants	2,500,000
Common Stock Excercise Of Warrants Purchase Price Per Share	$ 0.001
Desk Agreement [Member]
Related Party Transaction [Line Items]
Costs and Expenses, Related Party	80,000					80,000
Lease payment term					15 year
Average Annual Rental Payments					1,100,000
Security Deposit									$ 600,000
Percentage of Occupancy					40.00%