Note 8 - Concentration Risk (Details Textual)	3 Months Ended		9 Months Ended		11 Months Ended	12 Months Ended
	Dec. 31, 2022 USD ($)	Dec. 31, 2021	Dec. 31, 2022 USD ($)	Dec. 31, 2021	Mar. 01, 2022	Mar. 31, 2022 USD ($)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents in Excess of FDIC Insured Limits	$ 27,000,000.0		$ 27,000,000.0			$ 25,300,000
Maximum [Member]
Cash, FDIC Insured Amount	$ 250,000		$ 250,000
Customer Concentration Risk [Member] | Revenue Benchmark [Member]
Number of Customers	2	3	3	3
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Two Largest Customers [Member]
Concentration Risk, Percentage	84.00%
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Walmart [Member]
Concentration Risk, Percentage	50.00%	37.00%	42.00%	37.00%
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Amazon [Member]
Concentration Risk, Percentage	34.00%	50.00%	21.00%	36.00%
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Three Largest Customers [Member]
Concentration Risk, Percentage		92.00%	74.00%	88.00%
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Fred Meyer [Member]
Concentration Risk, Percentage		5.00%	11.00%	15.00%
Customer Concentration Risk [Member] | Accounts Receivable [Member]
Number of Customers			2		3
Customer Concentration Risk [Member] | Accounts Receivable [Member] | Customer One [Member]
Concentration Risk, Percentage			51.00%			69.00%
Customer Concentration Risk [Member] | Accounts Receivable [Member] | Customer Two [Member]
Concentration Risk, Percentage			48.00%			17.00%
Customer Concentration Risk [Member] | Accounts Receivable [Member] | Customer Three [Member]
Concentration Risk, Percentage						11.00%
Product Concentration Risk [Member] | Revenue, Product and Service Benchmark [Member] | Microwave Ovens [Member]
Concentration Risk, Percentage	9.00%	10.00%	24.00%	24.00%
Product Concentration Risk [Member] | Revenue, Product and Service Benchmark [Member] | Audio Products [Member]
Concentration Risk, Percentage	91.00%	89.00%	75.00%	76.00%
Supplier Concentration Risk [Member] | Products for Resale [Member]
Number of Factory Suppliers	3	2	3	2
Supplier Concentration Risk [Member] | Products for Resale [Member] | Three Largest Factory Suppliers [Member]
Concentration Risk, Percentage	100.00%		100.00%
Supplier Concentration Risk [Member] | Products for Resale [Member] | Largest Supplier [Member]
Concentration Risk, Percentage	74.00%	81.00%	71.00%	83.00%
Supplier Concentration Risk [Member] | Products for Resale [Member] | Two Largest Factory Suppliers [Member]
Concentration Risk, Percentage		100.00%		100.00%