Note 2 - Summary of Significant Accounting Policies (Details Textual) $ in Thousands	12 Months Ended
Dec. 31, 2024 USD ($) item	Dec. 31, 2023 USD ($) item
Revenue, Major Customer [Line Items]
Accounts Receivable Allowance for Customer Claims Current	$ 371	$ 862
Allowance for Accounts Receivable Current Credit Losses	147	175
Indefinite-lived intangible assets	120	120
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)	0	0
Cost of Goods and Services Sold, Total	$ 7,740	$ 8,605
Revenue Benchmark [Member] \| Top Three Customers [Member] \| Customer Concentration Risk [Member]
Revenue, Major Customer [Line Items]
Number of Major Customers \| item	3	3
Concentration Risk, Percentage	53.00%	32.00%
Revenue Benchmark [Member] \| One of Top Three Customers [Member] \| Customer Concentration Risk [Member]
Revenue, Major Customer [Line Items]
Number of Major Customers \| item	1	1
Concentration Risk, Percentage	24.00%	15.00%
Accounts Receivable [Member] \| Top Three Customers [Member] \| Customer Concentration Risk [Member]
Revenue, Major Customer [Line Items]
Concentration Risk, Percentage	62.00%	42.00%
Accounts Receivable [Member] \| One of Top Three Customers [Member] \| Customer Concentration Risk [Member]
Revenue, Major Customer [Line Items]
Concentration Risk, Percentage	0.00%	3.00%
Cost of Goods and Service Benchmark [Member] \| Customer Concentration Risk [Member]
Revenue, Major Customer [Line Items]
Number of Major Customers \| item	2	2
Cost of Goods and Service Benchmark [Member] \| Supplier Concentration Risk [Member] \| Supplier One And Supplier Two [Member]
Revenue, Major Customer [Line Items]
Concentration Risk, Percentage	32.00%	18.00%
Cost of Goods and Service Benchmark [Member] \| Supplier Concentration Risk [Member] \| Supplier Three [Member]
Revenue, Major Customer [Line Items]
Concentration Risk, Percentage	10.00%	8.00%
Selling, General and Administrative Expenses [Member]
Revenue, Major Customer [Line Items]
Advertising Expense	$ 69	$ 802
Shipping and Handling [Member]
Revenue, Major Customer [Line Items]
Cost of Goods and Services Sold, Total	$ 458	$ 266
Machinery and Equipment [Member] \| Minimum [Member]
Revenue, Major Customer [Line Items]
Property, Plant and Equipment, Useful Life (Year)	7 years
Machinery and Equipment [Member] \| Maximum [Member]
Revenue, Major Customer [Line Items]
Property, Plant and Equipment, Useful Life (Year)	10 years
Computer Equipment [Member]
Revenue, Major Customer [Line Items]
Property, Plant and Equipment, Useful Life (Year)	3 years
Furniture and Fixtures [Member]
Revenue, Major Customer [Line Items]
Property, Plant and Equipment, Useful Life (Year)	8 years

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