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 June 30,
Revenues by Product Category	2016		2015
Instruments (1)	$	10,099	$	8,712
Consumables (2)		44,689		41,797
Other products (3)		2,908		2,544
Product sales, net		57,696		53,053
Development and licensing revenues		-		37
Total revenues	$	57,696	$	53,090

(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 June 30,
Revenues by Geographic Region	2016		2015
North America	$	46,773	$	42,311
Europe		8,358		7,723
Asia Pacific and rest of the world		2,565		3,056
Total revenues	$	57,696	$	53,090

Significant Concentrations

During the three months ended June 30, 2016, four distributors, MWI Veterinary Supply, Inc., Henry Schein, Inc., Patterson Companies, Inc., and Abbott Point of Care, Inc. accounted for 20%, 13%, 12% and 10%, respectively, of our total worldwide revenues. During the three months ended June 30, 2015, two distributors, MWI Veterinary Supply, Inc. and Henry Schein, Inc. accounted for 19% and 15%, 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 29%, 12% and 11%, respectively, of our total receivable balance as of June 30, 2016. Two distributors accounted for 25% and 14%, respectively, of our total receivable balance as of March 31, 2016.