Inventory (Details) (USD $)	Jun. 30, 2013	Dec. 31, 2012
Inventory
Raw Materials	$ 3,224,000	$ 3,988,000
Work In Progress	267,000	2,000
Finished Goods	511,000	587,000
Reserve for Obsolescence	(1,969,000)	(2,374,000)
Total	$ 2,033,000	$ 2,203,000