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Property, Plant and Equipment (Details) (USD $)
Dec. 31, 2014
Dec. 31, 2013
Schedule of Property, Plant and Equipment    
Property, Plant and Equipment, gross $ 6,006,800us-gaap_PropertyPlantAndEquipmentGross $ 5,972,100us-gaap_PropertyPlantAndEquipmentGross
Less accumulated depreciation (5,606,000)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment (5,453,900)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
Property, Plant and Equipment, Total 400,800us-gaap_PropertyPlantAndEquipmentNet 518,200us-gaap_PropertyPlantAndEquipmentNet
Production Equipment    
Schedule of Property, Plant and Equipment    
Property, Plant and Equipment, gross 5,039,900us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_EquipmentMember		 4,989,900us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_EquipmentMember
Office Furniture and Equipment    
Schedule of Property, Plant and Equipment    
Property, Plant and Equipment, gross 778,700us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_FurnitureAndFixturesMember		 794,000us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_FurnitureAndFixturesMember
Other    
Schedule of Property, Plant and Equipment    
Property, Plant and Equipment, gross $ 188,200us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember		 $ 188,200us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember