Summary of Significant Accounting Policies (Details 3) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Sep. 30, 2012 item	Sep. 30, 2011
Summary of Significant Accounting Policies
Number of business segments	1
Number of reportable segments	1
Number of operating segments	1
Segment information
Total	$ 35,294	$ 28,878
Migraine Headache
Segment information
Total	1,249	1,612
Glaucoma
Segment information
Total	1,373	1,032
Gallstone Prevention
Segment information
Total	1,578	1,300
Cardiovascular
Segment information
Total	7,100	2,510
Thyroid Deficiency
Segment information
Total	13,637	13,034
Antibiotic
Segment information
Total	1,689	1,679
Pain Management
Segment information
Total	5,532	5,310
Obesity
Segment information
Total	1,310	547
Other
Segment information
Total	$ 1,826	$ 1,854