Inventory (Details) (USD $)	Jun. 30, 2013	Dec. 31, 2012
Raw Materials	$ 1,660,000	$ 1,578,000
Work In Process	818,000	671,000
Finished Goods	361,000	583,000
Allowance for slow moving and obsolete inventory	(358,000)	(261,000)
Inventory	$ 2,481,000	$ 2,571,000