Summary of Significant Accounting Policies (Details 3) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012 item	Dec. 31, 2011
Summary of Significant Accounting Policies
Number of business segments			1
Number of reportable segments			1
Number of operating segments			1
Segment information
Total	$ 36,564	$ 27,734	$ 71,858	$ 56,612
Migraine Headache
Segment information
Total	1,447	1,547	2,696	3,159
Glaucoma
Segment information
Total	1,608	1,068	2,981	2,100
Gallstone Prevention
Segment information
Total	1,708	1,567	3,286	2,867
Cardiovascular
Segment information
Total	7,269	2,952	14,369	5,462
Thyroid Deficiency
Segment information
Total	14,474	11,211	28,111	24,246
Antibiotic
Segment information
Total	1,082	1,457	2,771	3,136
Pain Management
Segment information
Total	4,240	5,257	9,772	10,566
Obesity
Segment information
Total	1,104	1,044	2,414	1,591
Other
Segment information
Total	$ 3,632	$ 1,631	$ 5,458	$ 3,485