Summary of Significant Accounting Policies (Details 6)	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Segment Reporting
Number of reportable segments	1
Amgen
Segment Information
Percentages of revenue recognized	30.00%	41.00%	32.00%
Bayer HealthCare
Segment Information
Percentages of revenue recognized	15.00%	17.00%	15.00%
Biogen Idec
Segment Information
Percentages of revenue recognized	2.00%	1.00%	13.00%
Biotest
Segment Information
Percentages of revenue recognized	14.00%	9.00%	9.00%
Novartis
Segment Information
Percentages of revenue recognized	16.00%	7.00%
Sanofi
Segment Information
Percentages of revenue recognized	23.00%	23.00%	28.00%