Inventories - Schedule Of Components Of Inventory (Details) (USD $)	Sep. 30, 2013	Dec. 31, 2012
Inventory, Net [Abstract]
Raw materials	$ 6,955,000	$ 6,656,000
Finished goods	78,356,000	84,296,000
Total	85,311,000	90,952,000
Inventory reserves	$ 8,200,000	$ 7,300,000