Restructuring (Textual) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended			3 Months Ended
	Dec. 31, 2013 Quarter Four Two Thousand Thirteen Restructuring Plan [Member] employee	Dec. 31, 2013 Quarter Four Two Thousand Thirteen Restructuring Plan [Member]	Dec. 31, 2013 Quarter Four Two Thousand Thirteen Restructuring Plan [Member] Research and Development Expense [Member]	Dec. 31, 2013 Quarter Four Two Thousand Thirteen Restructuring Plan [Member] Selling, General and Administrative Expenses [Member]	Jun. 30, 2014 Quarter Four Two Thousand Thirteen Restructuring Plan [Member]	Mar. 31, 2014 Quarter Four Two Thousand Thirteen Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Employee terminations (employee)	15
Restructuring Charges		$ 809	$ 573	$ 236
Restructuring Reserve, Settled with Cash					$ 0	$ (238)