Annual report pursuant to Section 13 and 15(d)

Property and Equipment (Schedule of Property and Equipment) (Details)

v2.4.1.9
Property and Equipment (Schedule of Property and Equipment) (Details) (USD $)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Property, Plant and Equipment [Line Items]    
Property and equipment $ 4,124,028us-gaap_PropertyPlantAndEquipmentGross $ 3,609,059us-gaap_PropertyPlantAndEquipmentGross
Production machinery and equipment [Member]    
Property, Plant and Equipment [Line Items]    
Estimated useful lives, property and equipment 5 years  
Property and equipment 1,446,551us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_EquipmentMember
1,239,834us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_EquipmentMember
Other machinery and equipment, primarily computers and research equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment 602,974us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_OtherMachineryAndEquipmentMember
658,860us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_OtherMachineryAndEquipmentMember
Other machinery and equipment, primarily computers and research equipment [Member] | Minimum [Member]    
Property, Plant and Equipment [Line Items]    
Estimated useful lives, property and equipment 3 years  
Other machinery and equipment, primarily computers and research equipment [Member] | Maximum [Member]    
Property, Plant and Equipment [Line Items]    
Estimated useful lives, property and equipment 5 years  
Furniture and fixtures [Member]    
Property, Plant and Equipment [Line Items]    
Estimated useful lives, property and equipment 7 years  
Property and equipment 670,567us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_FurnitureAndFixturesMember
439,715us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_FurnitureAndFixturesMember
Software [Member]    
Property, Plant and Equipment [Line Items]    
Estimated useful lives, property and equipment 3 years  
Property and equipment 476,530us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_ComputerSoftwareIntangibleAssetMember
544,254us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_ComputerSoftwareIntangibleAssetMember
Leasehold improvements [Member]    
Property, Plant and Equipment [Line Items]    
Useful life, non-numeric Term of Lease  
Property and equipment $ 927,406us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_LeaseholdImprovementsMember
$ 726,396us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_LeaseholdImprovementsMember