Spectra Systems Corporation (Spectra Systems) invents, develops, manufactures and markets technology-based products used primarily to authenticate and process banknotes. The Company provides solutions, which include engineered materials, sensors, and quality control equipment. The Company has focused on the commercialization of technologically advanced security products, both covert and public, for banknotes and other documents. Spectra Systems provides an integrated solution, which supplies engineered materials for authentication and processing purposes, as well as hardware and software systems which verify the signatures of the authentication materials. In June 2012, ESI Entertainment Systems Inc. sold its subsidiary ESI Integrity Systems Inc. to Spectra Systems.