Summary of Significant Accounting Policies Revenues by Geographic Area (Details) (USD $)	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, 2013 Segment	Jun. 30, 2012	Jun. 30, 2011
Segment Reporting Information [Line Items]
Number of geographic segments									2
Revenues from unaffiliated customers
Total revenues	$ 51,511,000	$ 50,370,000	$ 53,438,000	$ 52,859,000	$ 44,604,000	$ 36,212,000	$ 25,284,000	$ 20,083,000	$ 208,178,000	$ 126,183,000	$ 38,919,000
Americas [Member]
Revenues from unaffiliated customers
Total revenues									133,046,000	90,122,000	31,625,000
Asia / Pacific [Member]
Revenues from unaffiliated customers
Total revenues									75,132,000	36,061,000	7,294,000
United States [Member]
Segment Reporting Information [Line Items]
Long-lived assets	4,800,000				3,800,000				4,800,000	3,800,000
Revenues from unaffiliated customers
Total revenues									131,508,000	89,230,000	31,218,000
Japan [Member]
Segment Reporting Information [Line Items]
Long-lived assets	3,000,000				0				3,000,000	0
Revenues from unaffiliated customers
Total revenues									$ 69,492,000	$ 35,449,000	$ 7,294,000