NOTE 18. REVENUES BY PRODUCT CATEGORY AND GEOGRAPHIC REGION AND SIGNIFICANT CONCENTRATIONS

Revenue Information

The following is a summary of our revenues by product category and represents our results from continuing operations (in thousands):

	Three Months Ended December 31,				Nine Months Ended December 31,
Revenues by Product Category	2016		2015		2016		2015
Instruments (1)	$	9,349	$	11,601	$	29,271	$	31,910
Consumables (2)		40,353		38,434		130,554		121,906
Other products (3)		3,070		2,841		9,195		8,088
Product sales, net		52,772		52,876		169,020		161,904
Development and licensing revenues		-		-		-		37
Total revenues	$	52,772	$	52,876	$	169,020	$	161,941

(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 include products using the Orbos process and extended maintenance agreements.

The following is a summary of our revenues by geographic region based on customer location and represents our results from continuing operations (in thousands):

	Three Months Ended December 31,				Nine Months Ended December 31,
Revenues by Geographic Region	2016		2015		2016		2015
North America	$	41,538	$	41,109	$	135,328	$	128,596
Europe		7,999		7,546		24,390		23,531
Asia Pacific and rest of the world		3,235		4,221		9,302		9,814
Total revenues	$	52,772	$	52,876	$	169,020	$	161,941

Significant Concentrations

During the three months ended December 31, 2016, four distributors, MWI Veterinary Supply, Inc., Henry Schein, Inc., Patterson Companies, Inc. and Abbott Point of Care, Inc., accounted for 21%, 14%, 10% and 10%, respectively, of our total worldwide revenues. During the nine months ended December 31, 2016, four distributors, MWI Veterinary Supply, Inc., Henry Schein, Inc., Patterson Companies, Inc. and Abbott Point of Care, Inc., accounted for 20%, 14%, 11% and 10%, respectively, of our total worldwide revenues.

During the three months ended December 31, 2015, three distributors, MWI Veterinary Supply, Inc., Abbott Point of Care, Inc. and Patterson Companies, Inc., accounted for 20%, 12% and 12%, respectively, of our total worldwide revenues. During the nine months ended December 31, 2015, four distributors, MWI Veterinary Supply, Inc., Henry Schein Animal Health, Patterson Companies, Inc. and Abbott Point of Care, Inc. accounted for 20%, 14% , 11% and 10%, respectively, of our total worldwide revenues.

Starting in the second quarter of fiscal 2016, our revenues from Patterson Companies, Inc. include both Patterson’s veterinary business and Animal Health International, Inc., as a result of Patterson’s acquisition of Animal Health International, Inc. Starting in fiscal 2016, our revenues from Henry Schein, Inc., include both Henry Schein Animal Health and scil animal care company GmbH, as a result of Henry Schein Inc.’s acquisition of scil animal care company GmbH in Europe.

Concentration of credit risk with respect to accounts receivable is primarily limited to certain distributors to whom we make significant sales. Three distributors accounted for 28%, 14% and 10%, respectively, of our total receivable balance as of December 31, 2016. Two distributors accounted for 25% and 14%, respectively, of our total receivable balance as of March 31, 2016.