9.	Reportable Segment and Major Customers Information

Meridian was formed in 1976 and functions as a fully-integrated life science company with principal businesses in: (i) the development, manufacture, sale and distribution of diagnostic test kits, primarily for certain gastrointestinal and respiratory infectious diseases, and elevated blood lead levels; and (ii) the manufacture and distribution of bulk antigens, antibodies, PCR/qPCR reagents, nucleotides, competent cells, and bioresearch reagents used by researchers and other diagnostic manufacturers.

Our reportable segments are Diagnostics and Life Science. The Diagnostics segment consists of manufacturing operations for infectious disease products in Cincinnati, Ohio, and manufacturing operations for blood chemistry products in Billerica, Massachusetts (near Boston), and the sale and distribution of diagnostics products domestically and abroad. This segment’s products are used by hospitals, reference labs and physician offices to detect infectious diseases and elevated lead levels in blood.

The Life Science segment consists of manufacturing operations in Memphis, Tennessee; Boca Raton, Florida; London, England; and Luckenwalde, Germany, and the sale and distribution of bulk antigens, antibodies, PCR/qPCR reagents, nucleotides, competent cells, and bioresearch reagents domestically and abroad, including a sales and business development facility in Beijing, China to further pursue growing revenue opportunities in Asia. This segment’s products are used by manufacturers and researchers in a variety of applications (e.g., in-vitro medical device manufacturing, microRNA detection, next-gen sequencing, plant genotyping, and mutation detection, among others).

Amounts due from two Diagnostics distributor customers accounted for 14% and 12% of consolidated accounts receivable at December 31, 2018 and September 30, 2018, respectively. Revenues from these two distributor customers accounted for 34% and 32% of the Diagnostics segment third-party revenues during the three months ended December 31, 2018 and 2017, respectively, and represented 24% and 23% of consolidated revenues for the fiscal 2019 and 2018 first quarters, respectively.

Within our Life Science segment, two diagnostic manufacturing customers accounted for 28% and 15% of the segment’s third-party revenues during the three months ended December 31, 2018 and 2017, respectively.

Segment information for the interim periods is as follows:


	Diagnostics		Life Science		Corporate⁽¹⁾			Eliminations⁽²⁾			Total
Three Months Ended December 31, 2018
Net revenues -
Third-Party	$	36,665	$	14,815	$	—		$	—		$	51,480
Inter-segment		163		176		—			(339	)		—
Operating income		8,786		5,129		(3,391	)		27			10,551
Goodwill (December 31, 2018)		35,213		19,190		—			—			54,403
Other intangible assets, net (December 31, 2018)		21,386		879		—			—			22,265
Total assets (December 31, 2018)		178,863		71,283		—			(289	)		249,857
Three Months Ended December 31, 2017
Net revenues -
Third-Party	$	37,490	$	14,793	$	—		$	—		$	52,283
Inter-segment		121		192		—			(313	)		—
Operating income		8,569		2,943		(3,555	)		104			8,061
Goodwill (September 30, 2018)		35,213		19,424		—			—			54,637
Other intangible assets, net (September 30, 2018)		22,068		1,045		—			—			23,113
Total assets (September 30, 2018)		180,978		70,341		—			58			251,377

(1)	Includes Restructuring and Litigation Costs of $589 and $1,483 in the quarters ended December 31, 2018 and 2017, respectively.

(2)	Eliminations consist of inter-segment transactions.

Transactions between segments are accounted for at established intercompany prices for internal and management purposes, with all intercompany amounts eliminated in consolidation.