Note 13 - Revenue - Product Sales Disaggregated by Geographic Area (Details) - USD ($)	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	$ 7,186,113	$ 6,444,880	$ 17,543,408	$ 14,512,054
Geographic Concentration Risk [Member] \| Revenue Benchmark [Member]
Revenue from Contract with Customer, Excluding Assessed Tax	7,186,113	6,444,880	17,543,408	14,512,054
Geographic Concentration Risk [Member] \| Revenue Benchmark [Member] \| UNITED STATES
Revenue from Contract with Customer, Excluding Assessed Tax	$ 6,225,952	$ 4,874,561	$ 15,959,997	$ 12,049,451
Concentration risk	87.00%	76.00%	91.00%	83.00%
Geographic Concentration Risk [Member] \| Revenue Benchmark [Member] \| Non-US [Member]
Revenue from Contract with Customer, Excluding Assessed Tax	$ 960,161	$ 1,570,319	$ 1,583,411	$ 2,462,603
Concentration risk	13.00%	24.00%	9.00%	17.00%
Geographic Concentration Risk [Member] \| Revenue Benchmark [Member] \| Global [Member]
Concentration risk	100.00%	100.00%	100.00%	100.00%

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