Fair Value Measurements Stock Warrant (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Dec. 31, 2014
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance at September 30, 2014	$ 0
Additions	2,498
Balance at December 31, 2014	2,498
Convertible Debt Securities [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance at September 30, 2014	0
Additions	2,458
Balance at December 31, 2014	2,458
Warrant [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance at September 30, 2014	0
Additions	40
Balance at December 31, 2014	$ 40