The company's principal activity is to manufacture, develop and market portable blood analysis systems. this system is used in patient-care setting to provide clinicians with rapid blood constituent measurements. the system performs multiple routine tests on blood, plasma or serum using venous or finger-stick samples. the company's primary product is a system consisting of a compact 6.9 kilogram analyzer and a series of single-use plastic discs, called reagent discs, containing all the chemicals required to perform a panel of up to 12 tests. the products are sold under the trade name vetscan (r), vetscan hmt and piccolo (r). a major market for the products is the veterinary market. they are also sold in europe, asia and latin america. vedco, inc is the major customer of the company. reagent discs accounted for 59% of fis 2002 revenues; Blood chemistry analyzers, 32%; Development and licensing, 1% & other, 8%.