Accrued Expenses - Schedule of Accrued Expenses (Detail) - USD ($)	Mar. 31, 2020	Dec. 31, 2019
Payables and Accruals [Abstract]
Sales return allowance	$ 603,000	$ 689,000
Technology fees	450,000	450,000
Professional services	292,000	454,000
Warranty reserve	63,700	75,300
Accrued Advertising	60,000	68,000
Accrued Salaries	92,758	62,322
Other	106,122	333,952
Accrued expenses	$ 1,064,580	$ 1,443,574