CombiMatrix Corporation is a molecular diagnostics company. The Company operates in the field of genetic analysis and molecular diagnostics through its wholly owned subsidiary, CombiMatrix Molecular Diagnostics, Inc. located in Irvine, California. The Company operates as a diagnostics reference laboratory, providing DNA-based clinical diagnostic testing services to physicians, hospitals, clinics and other laboratories in the areas of pre-and postnatal development disorders and hematology/oncology genomics. The Company's BAC arrays enable the Company to perform aCGH studies to evaluate genomic alterations. The Company's oligo arrays allow the Company to perform aCGH on a much more refined scale than is possible with BAC technology. During the year ended December 31, 2011, it also owns a 33% interest in Leuchemix, Inc. (Leuchemix), a private drug development company focused on developing a series of compounds to address a number of oncology-related diseases.