Inventories - Schedule Of Components Of Inventory (Details) (USD $)	Mar. 31, 2014	Dec. 31, 2013
Inventory, Net [Abstract]
Raw materials	$ 8,042,000	$ 4,628,000
Finished goods	69,321,000	71,167,000
Total	77,363,000	75,795,000
Inventory reserves	$ 9,800,000	$ 8,600,000