Debt Long term debt (Tables)

9 Months Ended

Sep. 30, 2014

Long-term Debt, Unclassified [Abstract]

Schedule of Maturities of Long-term Debt [Table Text Block]

Estimated future principal payments, interest, and fees due under the Loan and Security Agreement are as follows:

Years Ending December 31,	(in millions)
2014	$	0.2
2015	2.4
2016	5.7
2017	5.7
2018	5.5
Total	$	19.5