Subsequent Events	6 Months Ended
Jun. 30, 2023
Subsequent Events [Abstract]
Subsequent Events	13. Subsequent Events On August 14, 2023, the Company announced a strategic reprioritization to focus on the development of its hunTR TCR discovery platform and wind down of its TCR-T Library Phase 1/2 trial. In connection with the reprioritization, the Company announced it intends to reduce its workforce by approximately 60%. Concurrently, the Company is considering certain strategic alternatives, including, but not limited to, an acquisition, merger, reverse merger, sale of assets, strategic partnerships, capital raises or other transactions. The Company has engaged Cantor to act as strategic advisor for this process. In addition, on August 14, 2023, the Company announced that it had provided the requisite notice to the NCI to terminate the CRADA, pursuant to its terms, effective October 13, 2023, in light of the Company's focus on its hunTR platform.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 855
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org//855/tableOfContent

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 855
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483399/855-10-50-2

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