Subsequent Events	6 Months Ended
Jun. 30, 2021
Subsequent Events [Abstract]
Subsequent Events	11. Subsequent Events Initial Public Offering In July 2021, the Company completed the IPO in which the Company issued and sold 6,666,667 shares of its voting common stock at a public offering price of $15.00 per share, for aggregate gross proceeds of $100 million and its shares started trading on the Nasdaq Global Market under the ticker symbol “TCRX.” The Company received $90.5 million in net proceeds after deducting $7.0 million in underwriting discounts and commissions, and $2.5 million in offering costs borne by us. Upon closing of the IPO, all of the Company's outstanding shares of convertible preferred stock automatically converted into 15,616,272 shares of common stock (of which 5,143,134 shares are non-voting common stock). In connection with the closing of IPO, the Company amended and restated its in its entirety certificate of incorporation to, among other things: (i) authorize 300,000,000 shares of voting common stock; (ii) authorize 10,000,000 shares of non-voting common stock; (iii) eliminate all references to the previously existing series of preferred stock; and (iv) authorize 10,000,000 shares of preferred stock that may be issued from time to time by the Board in one or more series.

Subsequent Events

6 Months Ended

Jun. 30, 2021

11. Subsequent Events

Initial Public Offering

In July 2021, the Company completed the IPO in which the Company issued and sold 6,666,667 shares of its voting common stock at a public offering price of $15.00 per share, for aggregate gross proceeds of $100 million and its shares started trading on the Nasdaq Global Market under the ticker symbol “TCRX.” The Company received $90.5 million in net proceeds after deducting $7.0 million in underwriting discounts and commissions, and $2.5 million in offering costs borne by us. Upon closing of the IPO, all of the Company's outstanding shares of convertible preferred stock automatically converted into 15,616,272 shares of common stock (of which 5,143,134 shares are non-voting common stock).

In connection with the closing of IPO, the Company amended and restated its in its entirety certificate of incorporation to, among other things: (i) authorize 300,000,000 shares of voting common stock; (ii) authorize 10,000,000 shares of non-voting common stock; (iii) eliminate all references to the previously existing series of preferred stock; and (iv) authorize 10,000,000 shares of preferred stock that may be issued from time to time by the Board in one or more series.