Basis of Presentation and Summary of Significant Accounting Policies (Schedule of Gross and Net Intangible Assets) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 12,906	$ 12,282
Accumulated Amortization	8,663	7,176
Net Carrying Amount	4,243	5,106
Patents
Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Amortization Period	6 years 8 months 12 days	7 years 4 months 24 days
Gross Carrying Amount	1,800	1,800
Accumulated Amortization	846	669
Net Carrying Amount	954	1,131
License Agreements
Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Amortization Period	10 years 3 months 18 days	9 years 3 months 18 days
Gross Carrying Amount	10,447	10,158
Accumulated Amortization	7,407	6,231
Net Carrying Amount	3,040	3,927
Other Intangibles
Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Amortization Period	2 years 3 months 18 days	3 months 18 days
Gross Carrying Amount	659	324
Accumulated Amortization	410	276
Net Carrying Amount	$ 249	$ 48