Segment Reporting

6 Months Ended

Jun. 30, 2012

Segment Reporting

11. Segment Reporting

The Company views its operations, makes decisions regarding how to allocate resources and manages the business as one operating segment. As a result, the financial information disclosed herein represents all of the material financial information related to the Company’s principal operating segment.

The following table represents the Company’s total revenue by geographic area (based on the location of the customer):

	Three months ended June  30,						Six months ended June  30,
	2012			2011			2012			2011
United States		44	%		47	%		41	%		49	%
Sweden		45	%		42	%		44	%		41	%
United Kingdom		10	%		5	%		12	%		3	%
Other		1	%		6	%		3	%		7	%
Total		100	%		100	%		100	%		100	%

Revenue from significant customers as a percentage of the Company’s total revenue was as follows:

	Three months ended June  30,						Six months ended June  30,
	2012			2011			2012			2011
Orencia® Royalties from Bristol		23	%		36	%		23	%		39	%
Bioprocessing Customer A		44	%		42	%		44	%		41	%
Bioprocessing Customer B		11	%		6	%		13	%		4	%
Bioprocessing Customer C		14	%		—			12	%		—

Significant accounts receivable balances as a percentage of the Company’s total trade accounts receivable and royalties receivable balances were as follows:

	June 30, 2012			December 31, 2011
Orencia® Royalties from Bristol		31	%		53	%
Bioprocessing Customer A		35	%		31	%
Bioprocessing Customer B		21	%		7	%