XML 21 R31.htm IDEA: XBRL DOCUMENT v2.4.0.6
Basis of Presentation - Research and Development Expense (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Mar. 31, 2013
Mar. 31, 2012
Organization, Consolidation and Presentation of Financial Statements [Abstract]        
Research and development $ 2,184 $ 3,408 $ 4,643 $ 6,246
Grants earned (238) (109) (1,535) (194)
Net research and development $ 1,946 $ 3,299 $ 3,108 $ 6,052