Concentration Risk - Additional Information (Detail) - USD ($)	3 Months Ended		9 Months Ended		12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Mar. 31, 2021
Concentration Risk [Line Items]
Cash, cash equivalents and restricted cash balances in excess of FDIC-insured limits	$ 24,500,000		$ 24,500,000		$ 5,000,000.0
Maximum
Concentration Risk [Line Items]
Cash and restricted cash deposit	$ 250,000		$ 250,000		$ 250,000
Customer Concentration Risk | Net Revenues | Three Largest Customers
Concentration Risk [Line Items]
Concentration risk, percentage	92.00%	88.00%	88.00%	81.00%
Customer Concentration Risk | Net Revenues | Amazon.com
Concentration Risk [Line Items]
Concentration risk, percentage	50.00%	39.00%	36.00%	29.00%
Customer Concentration Risk | Net Revenues | Walmart
Concentration Risk [Line Items]
Concentration risk, percentage	37.00%	42.00%	37.00%	39.00%
Customer Concentration Risk | Net Revenues | Fred Meyer
Concentration Risk [Line Items]
Concentration risk, percentage	5.00%	7.00%	15.00%	13.00%
Product Concentration Risk | Net Revenues | Microwave Ovens
Concentration Risk [Line Items]
Concentration risk, percentage	10.00%	25.00%	24.00%	36.00%
Product Concentration Risk | Net Revenues | Audio Products
Concentration Risk [Line Items]
Concentration risk, percentage	89.00%	73.00%	76.00%	62.00%
Credit Concentration Risk | Accounts Receivable | Customer One
Concentration Risk [Line Items]
Concentration risk, percentage			56.00%		69.00%
Credit Concentration Risk | Accounts Receivable | Customer Two
Concentration Risk [Line Items]
Concentration risk, percentage			27.00%		28.00%
Supplier Concentration Risk | Products for Resale | Two Largest Factory Suppliers
Concentration Risk [Line Items]
Concentration risk, percentage	100.00%	95.00%	100.00%	98.00%
Supplier Concentration Risk | Products for Resale | Largest Supplier
Concentration Risk [Line Items]
Concentration risk, percentage	81.00%	57.00%	83.00%	58.00%