Property and Equipment - Summary of Property and Equipment (Details) - USD ($)	12 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 2,600,000	$ 2,400,000
Less: Accumulated depreciation	1,900,000	1,600,000
Property and equipment, net	674,153	771,349
Computer and Office Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 400,000	$ 400,000
Computer and Office Equipment [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Average useful life (in years)	5 years	5 years
Computer and Office Equipment [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Average useful life (in years)	7 years	7 years
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Average useful life (in years)	7 years	7 years
Property and equipment, gross	$ 100,000	$ 100,000
Warehouse Equipment [Member]
Property, Plant and Equipment [Line Items]
Average useful life (in years)	7 years	7 years
Property and equipment, gross	$ 200,000	$ 200,000
Molds and Tooling [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 1,900,000	$ 1,700,000
Molds and Tooling [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Average useful life (in years)	3 years	3 years
Molds and Tooling [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Average useful life (in years)	5 years	5 years