Note 6 - Concentrations - Schedule of Concentration Risk (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Customer A [Member]
Accounts receivable	$ 0	$ 31
Customer B [Member]
Accounts receivable	100,000	52,000
Customer C [Member]
Accounts receivable	0	85,000
Customer D [Member]
Accounts receivable	89,000	0
Customer E [Member]
Accounts receivable	0	66,000
Customer F [Member]
Accounts receivable	100,000	0
Customer G [Member]
Accounts receivable	$ 65,000	$ 0
Inventory Purchases [Member] | Supplier Concentration Risk [Member] | Vendor A [Member]
Concentration	9.00%	35.00%
Concentration Risk, Percentage	9.00%	35.00%
Inventory Purchases [Member] | Supplier Concentration Risk [Member] | Vendor B [Member]
Concentration	3.00%	13.00%
Concentration Risk, Percentage	3.00%	13.00%
Inventory Purchases [Member] | Supplier Concentration Risk [Member] | Vendor C [Member]
Concentration	64.00%	10.00%
Concentration Risk, Percentage	64.00%	10.00%
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Customer A [Member]
Accounts receivable		$ 125,000
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Customer B [Member]
Concentration	17.00%	13.00%
Concentration Risk, Percentage	17.00%	13.00%
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Customer C [Member]
Concentration	0.00%	21.00%
Concentration Risk, Percentage	0.00%	21.00%
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Customer D [Member]
Concentration	14.00%	0.00%
Concentration Risk, Percentage	14.00%	0.00%
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Customer E [Member]
Concentration	0.00%	16.00%
Concentration Risk, Percentage	0.00%	16.00%
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Customer F [Member]
Concentration	16.00%	0.00%
Concentration Risk, Percentage	16.00%	0.00%
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Customer G [Member]
Concentration	10.00%	0.00%
Concentration Risk, Percentage	10.00%	0.00%