Property and Equipment - Summary of Property and Equipment (Details) - USD ($)	6 Months Ended
	Sep. 30, 2017	Mar. 31, 2017
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 3,404,830	$ 3,155,246
Accumulated depreciation	2,829,043	2,742,441
Property and equipment, net	575,787	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	$ 95,027	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	$ 2,784,404	$ 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