Organization	12 Months Ended
Dec. 31, 2012
Organization [Abstract]
Organization	Note 1 - Organization Novavax, Inc. (the "Company") is a clinical-stage biopharmaceutical company focused on developing recombinant protein nanoparticle vaccines to address a broad range of infectious diseases. The Company's technology platform is based on proprietary recombinant vaccine technology that includes virus-like particles ("VLPs") and recombinant protein micelle vaccines combined with a single-use bioprocessing production system. These vaccine candidates are genetically engineered three-dimensional nanostructures that incorporate immunologically important recombinant proteins. The Company's product pipeline targets a variety of infectious diseases and its vaccine candidates are currently in or have completed clinical trials that target seasonal influenza, pandemic (H5N1) influenza and respiratory syncytial virus ("RSV"). In 2009, the Company formed a joint venture with Cadila Pharmaceuticals Limited ("Cadila") named CPL Biologicals Private Limited (the "JV") to develop and manufacture vaccines, biological therapeutics and diagnostics in India. The JV is owned 20% by the Company and 80% by Cadila (See Note 7). The Company accounts for its investment in the JV using the equity method.

Organization

12 Months Ended

Dec. 31, 2012

Note 1 - Organization

Novavax, Inc. (the "Company") is a clinical-stage biopharmaceutical company focused on developing recombinant protein nanoparticle vaccines to address a broad range of infectious diseases. The Company's technology platform is based on proprietary recombinant vaccine technology that includes virus-like particles ("VLPs") and recombinant protein micelle vaccines combined with a single-use bioprocessing production system. These vaccine candidates are genetically engineered three-dimensional nanostructures that incorporate immunologically important recombinant proteins. The Company's product pipeline targets a variety of infectious diseases and its vaccine candidates are currently in or have completed clinical trials that target seasonal influenza, pandemic (H5N1) influenza and respiratory syncytial virus ("RSV").

In 2009, the Company formed a joint venture with Cadila Pharmaceuticals Limited ("Cadila") named CPL Biologicals Private Limited (the "JV") to develop and manufacture vaccines, biological therapeutics and diagnostics in India. The JV is owned 20% by the Company and 80% by Cadila (See Note 7). The Company accounts for its investment in the JV using the equity method.