Subsequent Events (Details) (License Agreement Terms [Member], License Agreements Licensor Array Bio Pharma Inc [Member], License Agreements K I T [Member], USD $) In Millions, unless otherwise specified	1 Months Ended
	Jul. 31, 2012
License Agreement Terms [Member] | License Agreements Licensor Array Bio Pharma Inc [Member] | License Agreements K I T [Member]
Subsequent Events (Textual) [Abstract]
Future expected development, regulatory and sales milestone payments	$ 192.0