Operating Leases (Narrative) (Details) (USD $)	12 Months Ended
	Dec. 31, 2013 item sqft	Dec. 31, 2012
Operating Leased Assets [Line Items]
Mixed office and warehouse facility, square footage	50,724
Lease term	90 months
Lease expiration date	Dec. 31, 2018
Renewal options, number	2
Renewal options, term	3 years
Rent expense	$ 1,141,000	$ 1,160,000
Singapore [Member]
Operating Leased Assets [Line Items]
Mixed office and warehouse facility, square footage	19,805
Lease expiration date	Jul. 31, 2016
Other Subsidiaries [Member]
Operating Leased Assets [Line Items]
Lease expiration date	Jun. 30, 2018