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	2013		2012		2011
Instruments(1)	$	46,034	$	35,150	$	32,092
Consumables(2)		127,481		113,810		102,920
Other products and services(3)		12,360		7,472		7,412
Product and service revenues, net		185,875		156,432		142,424
Development and licensing revenue		150		164		1,252
Total revenues	$	186,025	$	156,596	$	143,676

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

(2)	Consumables include reagent discs, hematology reagent kits, VSpro 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	2013		2012		2011
North America	$	152,774	$	128,969	$	117,992
Europe		26,086		21,926		20,308
Asia Pacific and rest of the world		7,165		5,701		5,376
Total revenues	$	186,025	$	156,596	$	143,676

Significant Concentrations

During fiscal 2013, one distributor in the United States, Animal Health International, accounted for 11% of our total worldwide revenues. During fiscal 2012, one distributor in the United States, Animal Health International, accounted for 15% of our total worldwide revenues. During fiscal 2011, there were no distributors or direct customers that accounted for 10% or more 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.

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