NOTE 17. REVENUES BY PRODUCT AND SERVICE CATEGORY AND GEOGRAPHIC REGION AND SIGNIFICANT CONCENTRATIONS

Revenue Information

The following is a summary of our revenues by product and service category (in thousands):

	Year Ended March 31,
Revenues by Product and Service Category	2012		2011		2010
Instruments(1)	$	35,150	$	32,092	$	28,787
Consumables(2)		113,810		102,920		85,819
Other products and services(3)		7,472		7,412		6,809
Product and service revenues, net		156,432		142,424		121,415
Development and licensing revenue		164		1,252		3,142
Total revenues	$	156,596	$	143,676	$	124,557

(1)	Instruments include chemistry analyzers, hematology instruments, VSpro coagulation and specialty analyzers and i-STAT analyzers.

(2)	Consumables include reagent discs, hematology reagent kits, VSpro coagulation and specialty cartridges, i-STAT cartridges and rapid tests.

(3)	Other products and services include veterinary reference laboratory diagnostic and consulting services.

The following is a summary of our revenues by geographic region based on customer location (in thousands):

	Year Ended March 31,
Revenues by Geographic Region	2012		2011		2010
North America	$	128,969	$	117,992	$	101,391
Europe		21,926		20,308		18,547
Asia Pacific and rest of the world		5,701		5,376		4,619
Total revenues	$	156,596	$	143,676	$	124,557

Significant Concentrations

During fiscal 2012, one distributor in the United States, Animal Health International, accounted for 15% of our total worldwide revenues. Animal Health International was formed in 2011 from two animal health companies, which included Walco International, Inc., d/b/a DVM Resources. During fiscal 2011, there were no distributors or direct customers that accounted for 10% or more of our total worldwide revenues. During fiscal 2010, one distributor in the United States, DVM Resources accounted for 10% of our total worldwide revenues.

Substantially all of our long-lived assets are located in the United States.