Annual report pursuant to Section 13 and 15(d)

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

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	1,446,551	1,239,834
Other machinery and equipment, primarily computers and research equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	602,974	658,860
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	670,567	439,715
Software [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives, property and equipment	3 years
Property and equipment	476,530	544,254
Leasehold improvements [Member]
Property, Plant and Equipment [Line Items]
Useful life, non-numeric	Term of Lease
Property and equipment	$ 927,406	$ 726,396