Organization and Nature of Operations	3 Months Ended
Mar. 31, 2022
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Organization and Nature of Operations	1. ORGANIZATION AND NATURE OF OPERATIONS Organization and Business IN8bio, Inc. (the “Company”) is a clinical-stage biopharmaceutical company focused on the discovery, development and commercialization of gamma-delta T cell therapies for the treatment of cancer. The Company’s lead product candidates are currently in Phase 1 clinical trials: INB-200, for the treatment of patients with newly diagnosed glioblastoma (“GBM”), and INB-100, for the treatment of patients with leukemia that are undergoing hematopoietic stem cell transplantation (“HSCT”). In addition, the Company’s DeltEx platform has yielded a broad portfolio of preclinical programs, including INB-300 and INB-400, focused on addressing other solid tumor types. Incysus, Inc. (“Incysus”) was a corporation formed in the State of Delaware on November 23, 2015 and Incysus, Ltd. was incorporated in Bermuda on February 8, 2016. Incysus was the wholly owned United States subsidiary of Incysus, Ltd. On May 7, 2018, Incysus, Ltd. reincorporated in the United States in a domestication transaction (the “Domestication”) in which Incysus, Ltd. converted into a newly formed Delaware corporation, Incysus Therapeutics, Inc. (“Incysus Therapeutics”). On July 24, 2019, Incysus Therapeutics merged with Incysus. Incysus Therapeutics subsequently changed its name to IN8bio, Inc. in August 2020. Following the Domestication in May 2018 and the merging of Incysus Therapeutics and Incysus in July 2019, the Company does not have any subsidiaries to consolidate. The Company is headquartered in New York, New York. Coronavirus Pandemic The ongoing COVID-19 pandemic, including the periods of resurgences of cases relating to the spread of various strains such as the Delta and Omicron variants, has had a significant impact, both direct and indirect, on businesses and commerce, as certain worker shortages have occurred, supply chains have been disrupted, and facilities and productions have been suspended. The COVID-19 pandemic has impacted and may continue to impact the clinical sites and startup activities for the Company’s Phase 1/2 clinical trial, including third-party manufacturing and logistics providers, which have disrupted and may continue to disrupt its supply chains and the availability or cost of materials, and it has affected and may continue to affect the Company’s ability to timely initiate, enroll and complete its clinical trials, conduct regulatory activities and operate its business more generally. The pandemic may impact the timing of regulatory approval of the investigational new drug application for clinical trials, the enrollment of any clinical trials that are approved, the availability of clinical trial materials and regulatory approval and commercialization of our products. The pandemic may also continue to impact the capital markets, inflation expectations and the Company’s ability to access capital, which could negatively impact short-term and long-term liquidity. The full extent to which the pandemic may impact the Company’s operations will depend on future developments, which are highly uncertain and cannot be predicted with confidence, including as a result of evolving variants of COVID-19, the duration and intensity of the related effects of the pandemic and the uncertainty of the timing of the broader economic recovery to pre-pandemic levels. Initial Public Offering On August 3, 2021, the Company completed its initial public offering (“IPO”) in which it issued and sold 4,000,000 shares of its common stock at a public offering price of $10.00 per share. The Company received net proceeds from the IPO of $32.3 million, after deducting underwriters’ discounts, commissions, and offering-related costs. Upon closing of the IPO, all of the Company's outstanding shares of convertible preferred stock automatically converted into 10,990,065 shares of common stock (see Note 7) Liquidity and Capital Resources Through March 31, 2022, the Company funded its operations primarily with proceeds from its Series A convertible preferred stock financing (“Series A Financing”) and with proceeds from its IPO. The Company has incurred recurring losses and negative operating cash flows from operations since its inception, including net losses of $6.1 million and $2.4 million for the three months ended March 31, 2022 and 2021, respectively. As of March 31, 2022, the Company had an accumulated deficit of $38.8 million. The Company has not yet generated product sales and as a result has experienced operating losses since inception. The Company expects to incur additional losses in the future to conduct research and development and will need to raise additional capital to fully implement management’s business plan. The Company intends to raise such capital through the issuance of additional equity, and potentially through borrowings, strategic alliances with partner companies and other licensing transactions. However, if such financing is not available at adequate levels, the Company may need to reevaluate its operating plans. Management believes that its existing cash of $32.1 million as of March 31, 2022 will be sufficient to fund its operating expenses and capital expenditure requirements for at least 12 months from the issuance of these condensed financial statements.

Organization and Nature of Operations

3 Months Ended

Mar. 31, 2022

Organization, Consolidation and Presentation of Financial Statements [Abstract]

1. ORGANIZATION AND NATURE OF OPERATIONS

Organization and Business

IN8bio, Inc. (the “Company”) is a clinical-stage biopharmaceutical company focused on the discovery, development and commercialization of gamma-delta T cell therapies for the treatment of cancer. The Company’s lead product candidates are currently in Phase 1 clinical trials: INB-200, for the treatment of patients with newly diagnosed glioblastoma (“GBM”), and INB-100, for the treatment of patients with leukemia that are undergoing hematopoietic stem cell transplantation (“HSCT”). In addition, the Company’s DeltEx platform has yielded a broad portfolio of preclinical programs, including INB-300 and INB-400, focused on addressing other solid tumor types.

Incysus, Inc. (“Incysus”) was a corporation formed in the State of Delaware on November 23, 2015 and Incysus, Ltd. was incorporated in Bermuda on February 8, 2016. Incysus was the wholly owned United States subsidiary of Incysus, Ltd. On May 7, 2018, Incysus, Ltd. reincorporated in the United States in a domestication transaction (the “Domestication”) in which Incysus, Ltd. converted into a newly formed Delaware corporation, Incysus Therapeutics, Inc. (“Incysus Therapeutics”). On July 24, 2019, Incysus Therapeutics merged with Incysus. Incysus Therapeutics subsequently changed its name to IN8bio, Inc. in August 2020. Following the Domestication in May 2018 and the merging of Incysus Therapeutics and Incysus in July 2019, the Company does not have any subsidiaries to consolidate. The Company is headquartered in New York, New York.

Coronavirus Pandemic

The ongoing COVID-19 pandemic, including the periods of resurgences of cases relating to the spread of various strains such as the Delta and Omicron variants, has had a significant impact, both direct and indirect, on businesses and commerce, as certain worker shortages have occurred, supply chains have been disrupted, and facilities and productions have been suspended. The COVID-19 pandemic has impacted and may continue to impact the clinical sites and startup activities for the Company’s Phase 1/2 clinical trial, including third-party manufacturing and logistics providers, which have disrupted and may continue to disrupt its supply chains and the availability or cost of materials, and it has affected and may continue to affect the Company’s ability to timely initiate, enroll and complete its clinical trials, conduct regulatory activities and operate its business more generally. The pandemic may impact the timing of regulatory approval of the investigational new drug application for clinical trials, the enrollment of any clinical trials that are approved, the availability of clinical trial materials and regulatory approval and commercialization of our products. The pandemic may also continue to impact the capital markets, inflation expectations and the Company’s ability to access capital, which could negatively impact short-term and long-term liquidity. The full extent to which the pandemic may impact the Company’s operations will depend on future developments, which are highly uncertain and cannot be predicted with confidence, including as a result of evolving variants of COVID-19, the duration and intensity of the related effects of the pandemic and the uncertainty of the timing of the broader economic recovery to pre-pandemic levels.

Initial Public Offering

On August 3, 2021, the Company completed its initial public offering (“IPO”) in which it issued and sold 4,000,000 shares of its common stock at a public offering price of $10.00 per share. The Company received net proceeds from the IPO of $32.3 million, after deducting underwriters’ discounts, commissions, and offering-related costs. Upon closing of the IPO, all of the Company's outstanding shares of convertible preferred stock automatically converted into 10,990,065 shares of common stock (see Note 7)

Liquidity and Capital Resources

Through March 31, 2022, the Company funded its operations primarily with proceeds from its Series A convertible preferred stock financing (“Series A Financing”) and with proceeds from its IPO. The Company has incurred recurring losses and negative operating cash flows from operations since its inception, including net losses of $6.1 million and $2.4 million for the three months ended March 31, 2022 and 2021, respectively. As of March 31, 2022, the Company had an accumulated deficit of $38.8 million.

The Company has not yet generated product sales and as a result has experienced operating losses since inception. The Company expects to incur additional losses in the future to conduct research and development and will need to raise additional capital to fully implement management’s business plan. The Company intends to raise such capital through the issuance of additional equity, and potentially through borrowings, strategic alliances with partner companies and other licensing transactions. However, if such financing is not available at adequate levels, the Company may need to reevaluate its operating plans. Management believes that its existing cash of $32.1 million as of March 31, 2022 will be sufficient to fund its operating expenses and capital expenditure requirements for at least 12 months from the issuance of these condensed financial statements.