Quarterly report pursuant to Section 13 or 15(d)

Property and Equipment - Inventories, net (Details)

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Property and Equipment - Inventories, net (Details) - USD ($)
Mar. 31, 2018
Dec. 31, 2017
Property, Plant and Equipment [Line Items]    
Gross property and equipment $ 1,619,527 $ 1,627,039
Accumulated depreciation and amortization (1,046,501) (957,468)
Net property and equipment 573,026 669,571
Machinery and equipment    
Property, Plant and Equipment [Line Items]    
Gross property and equipment 1,005,621 1,013,133
Building leasehold improvements    
Property, Plant and Equipment [Line Items]    
Gross property and equipment 395,335 395,335
Furniture, fixtures, software and computers    
Property, Plant and Equipment [Line Items]    
Gross property and equipment $ 218,571 $ 218,571