Concentration Risk - Additional Information (Detail) - USD ($)	3 Months Ended		12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Mar. 31, 2022
Concentration Risk [Line Items]
Cash, cash equivalents and restricted cash balances in excess of FDIC-insured limits	$ 24,700,000		$ 25,300,000
Maximum
Concentration Risk [Line Items]
Cash and restricted cash deposit	$ 250,000		$ 250,000
Customer Concentration Risk | Net Revenues | Three Largest Customers
Concentration Risk [Line Items]
Concentration risk, percentage	73.00%	82.00%
Customer Concentration Risk | Net Revenues | Walmart
Concentration Risk [Line Items]
Concentration risk, percentage	42.00%	44.00%
Customer Concentration Risk | Net Revenues | Fred Meyer
Concentration Risk [Line Items]
Concentration risk, percentage	19.00%	24.00%
Customer Concentration Risk | Net Revenues | Amazon.com
Concentration Risk [Line Items]
Concentration risk, percentage	12.00%	14.00%
Product Concentration Risk | Net Revenues | Microwave Ovens
Concentration Risk [Line Items]
Concentration risk, percentage	42.00%	39.00%
Product Concentration Risk | Net Revenues | Audio Products
Concentration Risk [Line Items]
Concentration risk, percentage	57.00%	60.00%
Credit Concentration Risk | Accounts Receivable | Customer One
Concentration Risk [Line Items]
Concentration risk, percentage	47.00%		69.00%
Credit Concentration Risk | Accounts Receivable | Customer Two
Concentration Risk [Line Items]
Concentration risk, percentage	21.00%		17.00%
Credit Concentration Risk | Accounts Receivable | Customer Three
Concentration Risk [Line Items]
Concentration risk, percentage			11.00%
Supplier Concentration Risk | Products for Resale | Two Largest Factory Suppliers
Concentration Risk [Line Items]
Concentration risk, percentage	100.00%	100.00%
Supplier Concentration Risk | Products for Resale | Largest Supplier
Concentration Risk [Line Items]
Concentration risk, percentage	76.00%	83.00%