Bioanalytical Systems, Inc. is an international contract research organization providing drug discovery and development services and analytical instruments. The Company's clients and partners include pharmaceutical, biotechnology, academic and government organizations. The Company derives its revenues from sales of its research services and drug development tools. The Company supports the preclinical and clinical development needs of researchers and clinicians for small molecule and biomolecule drug candidates. The Company's principal clients are scientists engaged in analytical chemistry, drug safety evaluation, clinical trials, drug metabolism studies, pharmacokinetics and basic research from small start-up biotechnology companies to many of the global pharmaceutical companies. The Company operates in two business segments: contract research services and research products, both of which addresses the bioanalytical, preclinical, and clinical research needs of drug developers.