Inventory - Additional Information (Details) - USD ($)	3 Months Ended	9 Months Ended	12 Months Ended
Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Inventory Disclosure [Abstract]
Reserve for shrinkage and excess inventory			$ 39,403		$ 62,142
Net change in inventory valuation reserves	$ (22,926)	$ (21,405)	(22,739)	$ (83,832)
Provision for excess inventory	$ 40,307	$ 58,059	$ 63,840	$ 302,085

Amount of loss from reductions in inventory due to subsequent measurement adjustments, including, but not limited to, physical deterioration, obsolescence, or changes in price levels.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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