Note 2 - Summary of Significant Accounting Policies - Credit Concentration (Details) - Customer Concentration Risk [Member]	3 Months Ended		12 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025
Customer A [Member] \| Accounts Receivable [Member]
Credit concentration	22.00%		0.00%
Customer A [Member] \| Revenue from Contract with Customer Benchmark [Member]
Credit concentration	21.00%	0.00%
Customer C [Member] \| Accounts Receivable [Member]
Credit concentration	14.00%		0.00%
Customer C [Member] \| Revenue from Contract with Customer Benchmark [Member]
Credit concentration	14.00%	0.00%
Customer B [Member] \| Revenue from Contract with Customer Benchmark [Member]
Credit concentration	17.00%	0.00%
Customer D [Member] \| Accounts Receivable [Member]
Credit concentration	17.00%		0.00%
Customer D [Member] \| Revenue from Contract with Customer Benchmark [Member]
Credit concentration	11.00%	0.00%
Customer E [Member] \| Revenue from Contract with Customer Benchmark [Member]
Credit concentration	0.00%	79.00%

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.