Inventory (Details) (USD $)	Mar. 31, 2013	Dec. 31, 2012
Inventory
Raw Materials	$ 4,012,000	$ 3,988,000
Work In Progress	41,000	2,000
Finished Goods	553,000	587,000
Reserve for Obsolescence	(2,374,000)	(2,374,000)
Total	$ 2,232,000	$ 2,203,000