Products, Major Customer, Concentration of Credit Risk (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Hospira [Member]
Schedule of Available-for-sale Securities [Line Items]
Revenue, Net	$ 0.39	$ 0.42	$ 0.42
Accounts Receivable, Net	0.32	0.35
Infusion Therapy [Member]
Schedule of Available-for-sale Securities [Line Items]
Revenue, Net	211,249,000	215,319,000	198,888,000
Critical Care Revenue [Member]
Schedule of Available-for-sale Securities [Line Items]
Revenue, Net	51,484,000	55,519,000	61,400,000
Oncology Revenue [Member]
Schedule of Available-for-sale Securities [Line Items]
Revenue, Net	37,505,000	30,311,000	24,413,000
Other Revenue [Member]
Schedule of Available-for-sale Securities [Line Items]
Revenue, Net	13,478,000	15,751,000	17,494,000
UNITED STATES
Schedule of Available-for-sale Securities [Line Items]
Revenue, Net	0.71	0.75	0.74
International Sales [Domain]
Schedule of Available-for-sale Securities [Line Items]
Revenue, Net	0.29	0.25	0.26
Mexico Property and Equipment [Member]
Schedule of Available-for-sale Securities [Line Items]
Long-Lived Assets	49,454,000	47,461,000
Slovakia Property and Equipment [Member]
Schedule of Available-for-sale Securities [Line Items]
Long-Lived Assets	18,422,000	16,224,000
Italy Property and Equipment [Member]
Schedule of Available-for-sale Securities [Line Items]
Long-Lived Assets	5,428,000	5,027,000
Germany Property and Equipment [Member]
Schedule of Available-for-sale Securities [Line Items]
Long-Lived Assets	547,000	212,000
United States property and equipment [Member]
Schedule of Available-for-sale Securities [Line Items]
Long-Lived Assets	$ 139,150,000	$ 129,849,000