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Property and Equipment - Summary of Property and Equipment (Details) - USD ($)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Property and equipment, gross $ 3,152,886 $ 3,014,487
Less accumulated depreciation and amortization (2,968,259) (2,838,716)
Total $ 184,627 175,771
Minimum [Member]    
Estimated useful life 3 years  
Maximum [Member]    
Estimated useful life 7 years  
Machinery and Equipment [Member]    
Property and equipment, gross $ 2,596,170 $ 2,495,959
Machinery and Equipment [Member] | Minimum [Member]    
Estimated useful life 5 years 5 years
Machinery and Equipment [Member] | Maximum [Member]    
Estimated useful life 7 years 7 years
Furniture and Fixtures [Member]    
Property and equipment, gross $ 267,712 $ 248,709
Furniture and Fixtures [Member] | Minimum [Member]    
Estimated useful life 3 years 3 years
Furniture and Fixtures [Member] | Maximum [Member]    
Estimated useful life 5 years 5 years
Leasehold Improvements [Member]    
Property and equipment, gross $ 289,004 $ 269,819
Leasehold Improvements [Member] | Minimum [Member]    
Estimated useful life 5 years 5 years
Leasehold Improvements [Member] | Maximum [Member]    
Estimated useful life 7 years 7 years