Summary of Significant Accounting Policies (Details 3) (USD $) In Thousands, unless otherwise specified	3 Months Ended												12 Months Ended
	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Sep. 30, 2010	Jun. 30, 2013 item	Jun. 30, 2012	Jun. 30, 2011
Segment information
Number of reportable segments													1
Medical Indication Information
Total	$ 40,174	$ 39,022	$ 36,564	$ 35,294	$ 35,690	$ 30,688	$ 27,734	$ 28,878	$ 25,507	$ 25,893	$ 30,039	$ 25,396	$ 151,054	$ 122,990	$ 106,835
Antibiotic
Medical Indication Information
Total													9,167	6,724	6,101
Cardiovascular
Medical Indication Information
Total													25,876	18,142	12,553
Gallstone
Medical Indication Information
Total													6,114	5,991	5,370
Glaucoma
Medical Indication Information
Total													6,410	4,252	3,118
Gout
Medical Indication Information
Total													5,092	484	592
Migraine
Medical Indication Information
Total													5,418	5,971	8,654
Obesity
Medical Indication Information
Total													4,721	3,755	3,164
Pain Management
Medical Indication Information
Total													21,232	20,870	14,747
Thyroid Deficiency
Medical Indication Information
Total													57,978	50,849	47,051
Other
Medical Indication Information
Total													$ 9,046	$ 5,952	$ 5,485