Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2015

Commitments and Contingencies Disclosure [Abstract]

Commitment Payment to Strategic Business Partners [Table Text Block]

The table below summarizes contingent potential milestone payments due to strategic partners in the years 2016 and beyond, assuming all such contingencies occur (in thousands):

Year ending December 31,	Milestone Payments
2016	$	14,662
2017	4,384
2018	1,770
2019 and Beyond	—
Total	$	20,816