Property and Equipment and Intangible Assets (Schedule of Property and Equipment and Intangible Assets) (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 5,802,008us-gaap_PropertyPlantAndEquipmentGross	$ 5,692,784us-gaap_PropertyPlantAndEquipmentGross
Less: Accumulated depreciation	(4,395,603)	(3,758,202)
Total property and equipment, net	1,406,405us-gaap_PropertyPlantAndEquipmentNet	1,934,582us-gaap_PropertyPlantAndEquipmentNet
Intangible assets	1,050,080	995,948
Less: Accumulated amortization	(418,931)	(228,725)
Total intangible assets, net	631,149us-gaap_FiniteLivedIntangibleAssetsNet	767,223us-gaap_FiniteLivedIntangibleAssetsNet
Purchased Software [Member]
Property, Plant and Equipment [Line Items]
Intangible assets	803,719	749,587
Trademarks [Member]
Property, Plant and Equipment [Line Items]
Intangible assets	33,000	33,000
Internally developed software [Member]
Property, Plant and Equipment [Line Items]
Intangible assets	213,361	213,361
Laboratory Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	4,543,019	4,468,055
Furniture and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	762,466	736,886
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 496,523	$ 487,843

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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