Summary Of Significant Accounting Policies (Inventories) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Inventory, Current [Line Items]
Raw material	$ 10,145	$ 9,835
Work-in-process	3,565	2,194
Intermediates	1,620	1,572
Finished goods	2,493	4,096
Total	17,823	17,697
Less: Reserve for obsolescence	(1,441)	(1,329)
Inventory, Net	16,382	16,368
BioVectra [Member]
Inventory, Current [Line Items]
Inventory, Net	$ 8,800