Business	6 Months Ended
Business	Jun. 30, 2022
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Business	Business Overview Emergent BioSolutions Inc. (the Company or Emergent) is a global life sciences company focused on providing innovative preparedness and response solutions addressing accidental, deliberate, and naturally occurring Public Health Threats (PHTs). The Company's solutions include a product portfolio, a product development portfolio, and a contract development and manufacturing (CDMO) services portfolio. The Company is focused on the following five distinct PHT categories: chemical, biological, radiological, nuclear and explosives (CBRNE); emerging infectious diseases (EID); travel health; emerging health crises; and acute/emergency care. The Company has a product portfolio of eleven products (vaccines, therapeutics and drug-device combination products) that contribute a substantial portion of its revenue. The Company has one product candidate that is procured under special circumstances by the U.S. government (USG), although it is not approved by the U.S. Food and Drug Administration (FDA). The Company structures the business with a focus on markets and customers. As such, the key components of the business structure include a Government - Medical Countermeasures (MCM) business line, a Commercial business line and a Services line focused on CDMO. The Company's products and services include: Government - MCM Products ▪AV7909®, is a procured product candidate being developed as a next generation anthrax vaccine for post-exposure prophylaxis of disease resulting from suspected or confirmed Bacillus anthracis exposure. The USG has largely switched from procuring BioThrax to AV7909 for the Strategic National Stockpile (SNS) prior to its approval by the FDA; ▪BioThrax®, the only vaccine licensed by the FDA, for the general use prophylaxis and post-exposure prophylaxis of anthrax disease; ▪ACAM2000®, the only single-dose smallpox vaccine licensed by the FDA for active immunization against smallpox disease for persons determined to be at high risk for smallpox infection; ▪BAT®, the only heptavalent antitoxin licensed by the FDA and Health Canada for the treatment of botulism; ▪CNJ-016®, also referred to as VIGIV, the only polyclonal antibody therapeutic licensed by the FDA and Health Canada to address certain complications from smallpox vaccination; ▪Raxibacumab injection, a fully human monoclonal antibody therapeutic licensed by the FDA for the treatment and prophylaxis of inhalational anthrax; ▪Anthrasil®, the only polyclonal antibody therapeutic licensed by the FDA and Health Canada for the treatment of inhalational anthrax; ▪RSDL®, the only medical device cleared by the FDA to remove or neutralize the following chemical warfare agents from the skin: tabun, sarin, soman, cyclohexyl sarin, VR, VX, mustard gas and T-2 toxin; and ▪Trobigard® atropine sulfate, obidoxime chloride AUTO-INJECTOR, is a combination drug-device auto-injector procured product candidate that contains atropine sulfate and obidoxime chloride. It has not been approved by the FDA, but it is procured by certain authorized government buyers under special circumstances for potential use as a nerve agent countermeasure. ▪Ebanga™ (ansuvimab-zykl, formerly referred to as mAb114) is a monoclonal antibody with antiviral activity provided through a single IV infusion for the treatment of Ebola. Under the terms of a collaboration with Ridgeback Biotherapeutics, Emergent will be responsible for the manufacturing, sale, and distribution of Ebanga™ in the United States and Canada, and Ridgeback Bio will serve as the global access partner for Ebanga™. Commercial Products ▪NARCAN® (naloxone HCl) Nasal Spray, the first needle-free formulation of naloxone approved by the FDA and Health Canada, for the emergency treatment of known or suspected opioid overdose as manifested by respiratory and/or central nervous system depression; Recently, the Company licensed an authorized generic of naloxone nasal spray to Sandoz; ▪Vaxchora® (Cholera Vaccine, Live, Oral), the only single-dose oral vaccine licensed by the FDA and the European Medicines Agency (EMA) for the prevention of cholera; and ▪Vivotif® (Typhoid Vaccine Live Oral Ty21a), the only oral vaccine licensed by the FDA for the prevention of typhoid fever. Services - Contract Development and Manufacturing The Company's services line focused on CDMO offerings cover development services, drug substance manufacturing, drug product manufacturing, and when necessary, suite reservations, which depending on facts and circumstances could be considered a lease. These services are provided across the pharmaceutical and biotechnology industries as well as the USG and non-governmental organizations. The Company's technology platforms include mammalian, microbial, viral, plasma and advanced therapies utilizing the Company's core capabilities for manufacturing to third parties on a clinical and commercial (small and large) scale. Additional services include fill/finish formulation and analytical development services for injectable and other sterile products, inclusive of process design, technical transfer, manufacturing validations, aseptic filling, lyophilization, final packaging and stability studies, as well as manufacturing of vial and pre-filled syringe formats on multiple platforms. The Company operates as two operating segments: 1) a products segment (Products) consisting of the Government - MCM and Commercial business lines and a services segment (Services) focused on CDMO (Note 14, Segment information). Pending Acquisition On May 15, 2022, the Company entered into an Asset Purchase Agreement (the “Purchase Agreement”), by and between the Company and Chimerix, Inc. (the “Seller”), pursuant to which the Company agreed to purchase from Seller its exclusive worldwide rights to brincidofovir, including TEMBEXA® and related assets (the “Transaction”). TEMBEXA is a medical countermeasure for smallpox approved by the U.S. Food and Drug Administration in June 2021. Under the terms of the Purchase Agreement, the Company will pay $225.0 million upon closing of the Transaction, plus up to $100.0 million in up to four $25.0 million milestone payments. The Purchase Agreement anticipates that the Seller will finalize its negotiations with the Biomedical Advanced Research and Development Authority (“BARDA”) and enter into a procurement contract (the “BARDA Contract”) with BARDA for TEMBEXA, which the Seller is currently negotiating. Each milestone payment is associated with the exercise of future BARDA procurement options of TEMBEXA following the BARDA Contract base period. The closing payment and the milestone payments may be adjusted upward or downward based on actual procurement value. The Seller is also eligible to receive up to $12.5 million in regulatory milestones associated with the SymBio Pharmaceuticals Ltd. brincidofovir licensing arrangements to be assumed by the Company in the Transaction. The Seller may also earn a 20% royalty on future gross profit of TEMBEXA in the United States associated with volumes above 1.7 million treatment courses of therapy during the exclusivity period of TEMBEXA. Outside of the United States, the Purchase Agreement also allows the Seller to earn a 15% royalty on all gross profit associated with TEMBEXA sales during the exclusivity period of TEMBEXA on a market-to-market basis. The closing is subject to the execution by the Seller of the BARDA Contract, the satisfaction or waiver of the following other closing conditions: (i) the representations and warranties of the Company and the Seller contained in the Purchase Agreement being true and correct, subject to certain materiality standards; (ii) each of the Company and the Seller having performed and complied with their respective covenants in all material respects; (iii) the waiting period applicable to the consummation of the Transaction under the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended, having expired; (iv) the delivery of certain ancillary documents, including a transition services agreement and pre-novation agreement; (v) the receipt of any required consent from BARDA to enter into a pre-novation agreement with the Company; (vi) no injunction or other final order preventing the consummation of the Transaction having been issued; (vii) and there having occurred no material adverse effect on the assets being sold in the Transaction. Closing of the Transaction is currently expected to occur during the third quarter of 2022.