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Note 8 - Revenue Recognition (Details Textual) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
Contract with Customer, Liability, Current	$ 128,632		$ 128,632		$ 0
Cosmetic Ingredients [Member] \| Non-US [Member] \| Geographic Concentration Risk [Member] \| Revenue Benchmark [Member]
Concentration Risk, Percentage	17.00%	17.00%	23.00%	15.00%
ASI [Member] \| Non-US [Member] \| Geographic Concentration Risk [Member] \| Revenue Benchmark [Member]
Concentration Risk, Percentage	80.00%	85.00%	75.00%	84.00%
ASI [Member] \| CHINA \| Geographic Concentration Risk [Member] \| Revenue Benchmark [Member]
Concentration Risk, Percentage	42.00%	56.00%	40.00%	50.00%

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.

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