Significant Accounting Policies (Inventories) (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Significant Accounting Policies [Abstract]
Net change in inventory reserves	$ 617,000	$ 300,000	$ 148,000
Amortization included in cost of products sold	$ 1,200,000	$ 1,700,000	$ 1,600,000