Inventory (Details) - USD ($)	Jun. 30, 2018	Dec. 31, 2017
Inventory Disclosure [Abstract]
Raw Materials	$ 1,031,000	$ 1,023,000
Work In Process	429,000	403,000
Finished Goods	342,000	547,000
Allowance for slow moving and obsolete inventory	(541,000)	(500,000)
Inventory, Net, Total	$ 1,261,000	$ 1,473,000