Note 6 - Concentrations - Summary of Concentration Risks (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Revenue from Contract with Customer, Excluding Assessed Tax	$ 2,954	$ 2,131	$ 4,104	$ 2,744
Customer Concentration Risk [Member] \| Revenue Benchmark [Member] \| Customer A [Member]
Revenue from Contract with Customer, Excluding Assessed Tax			$ 3,310	$ 1,060
Concentration Risk, Percentage			81.00%	39.00%
Customer Concentration Risk [Member] \| Revenue Benchmark [Member] \| Customer C [Member]
Revenue from Contract with Customer, Excluding Assessed Tax			$ 0	$ 546
Concentration Risk, Percentage			0.00%	20.00%
Customer Concentration Risk [Member] \| Revenue Benchmark [Member] \| Customer E [Member]
Revenue from Contract with Customer, Excluding Assessed Tax			$ 0	$ 316
Concentration Risk, Percentage			0.00%	12.00%
Customer Concentration Risk [Member] \| Revenue Benchmark [Member] \| Customer F [Member]
Revenue from Contract with Customer, Excluding Assessed Tax			$ 0	$ 361
Concentration Risk, Percentage			0.00%	13.00%

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.

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

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+ Details