Note 13 - Subsequent Event	12 Months Ended
Dec. 31, 2023
Notes to Financial Statements
Subsequent Events [Text Block]	NOTE 13 – Subsequent Events Precision Bio On January 7, 2024, TG and its wholly-owned subsidiary, TG Cell Therapy, Inc., entered into a License Agreement (the Precision License Agreement) with Precision BioSciences, Inc. (Precision), pursuant to which Precision granted the Company certain exclusive and non-exclusive license rights to develop, manufacture, and commercialize Precision’s allogeneic CAR T therapy azercabtagene zapreleucel (azer-cel) for the treatment of autoimmune and other non-oncology diseases and conditions (collectively, the Field). Pursuant to the Precision License Agreement, the Company will make an upfront payment to Precision of $7.5 million, consisting of (i) $5.25 million in cash and (ii) $2.25 million, as an equity investment, for the purchase of 2,920,816 shares of Precision’s common stock at a price of $0.77 per share. Within 12 months of the Precision License Agreement, the Company will make a deferred payment of $2.5 million to Precision, consisting of an equity investment in Precision’s common stock at a 100% premium to the 30-day volume-weighted average price (the 30-day VWAP) prior to purchase. Upon achievement of certain near-term clinical or time-based milestones, the Company will make a $7.5 million payment to Precision, a portion of which will also be an equity investment in Precision’s common stock at a 100% premium to the 30-day VWAP prior to purchase. Precision will be eligible to receive up to $288 million in additional milestone payments based on the achievement of certain clinical, regulatory, and commercial milestones. In addition, the Company is obligated to pay Precision high-single-digit to low-double-digit royalties on net sales of the licensed product on a country-by-country basis until the latest to occur of patent expiration, loss of regulatory exclusivity, and a period of ten years following the first commercial sale of the licensed product in such country. The Company has also agreed to make certain payments to Precision’s licensors during the term of the Precision License Agreement. Ex-U.S. BRIUMVI Launch On February 26, 2024, TG announced that its ex-US partner, Neuraxpharm launched BRIUMVI in Europe, for the treatment of adults patients with relapsing forms of multiple sclerosis (RMS), who have active disease defined by clinical or imaging features. The launch commenced in Germany, with additional launches throughout Europe to follow. In accordance with the ex-US commercialization agreement, TG will receive a milestone payment of $12.5 million for the first launch of BRIUMVI in a European country.

Note 13 - Subsequent Event

12 Months Ended

Dec. 31, 2023

NOTE 13 – Subsequent Events

Precision Bio

On January 7, 2024, TG and its wholly-owned subsidiary, TG Cell Therapy, Inc., entered into a License Agreement (the Precision License Agreement) with Precision BioSciences, Inc. (Precision), pursuant to which Precision granted the Company certain exclusive and non-exclusive license rights to develop, manufacture, and commercialize Precision’s allogeneic CAR T therapy azercabtagene zapreleucel (azer-cel) for the treatment of autoimmune and other non-oncology diseases and conditions (collectively, the Field).

Pursuant to the Precision License Agreement, the Company will make an upfront payment to Precision of $7.5 million, consisting of (i) $5.25 million in cash and (ii) $2.25 million, as an equity investment, for the purchase of 2,920,816 shares of Precision’s common stock at a price of $0.77 per share. Within 12 months of the Precision License Agreement, the Company will make a deferred payment of $2.5 million to Precision, consisting of an equity investment in Precision’s common stock at a 100% premium to the 30-day volume-weighted average price (the 30-day VWAP) prior to purchase. Upon achievement of certain near-term clinical or time-based milestones, the Company will make a $7.5 million payment to Precision, a portion of which will also be an equity investment in Precision’s common stock at a 100% premium to the 30-day VWAP prior to purchase. Precision will be eligible to receive up to $288 million in additional milestone payments based on the achievement of certain clinical, regulatory, and commercial milestones. In addition, the Company is obligated to pay Precision high-single-digit to low-double-digit royalties on net sales of the licensed product on a country-by-country basis until the latest to occur of patent expiration, loss of regulatory exclusivity, and a period of ten years following the first commercial sale of the licensed product in such country. The Company has also agreed to make certain payments to Precision’s licensors during the term of the Precision License Agreement.

Ex-U.S. BRIUMVI Launch

On February 26, 2024, TG announced that its ex-US partner, Neuraxpharm launched BRIUMVI in Europe, for the treatment of adults patients with relapsing forms of multiple sclerosis (RMS), who have active disease defined by clinical or imaging features. The launch commenced in Germany, with additional launches throughout Europe to follow. In accordance with the ex-US commercialization agreement, TG will receive a milestone payment of $12.5 million for the first launch of BRIUMVI in a European country.