Property and Equipment - Summary of Property and Equipment (Details) - USD ($)	12 Months Ended
Mar. 31, 2018	Mar. 31, 2017
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 3,412,714	$ 3,155,246
Less: Accumulated depreciation	2,962,409	2,742,441
Property and equipment, net	450,305	412,805
Computer and Office Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 286,928	285,650
Average useful life (in years)	5 years
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 98,410	4,312
Average useful life (in years)	7 years
Warehouse Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 238,471	238,471
Average useful life (in years)	7 years
Molds and Tooling [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 2,788,905	$ 2,626,813
Molds and Tooling [Member] \| Minimum [Member]
Property, Plant and Equipment [Line Items]
Average useful life (in years)	3 years
Molds and Tooling [Member] \| Maximum [Member]
Property, Plant and Equipment [Line Items]
Average useful life (in years)	5 years

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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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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