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Note 3 - Disaggregation of Revenues and Segment Reporting (Tables)

9 Months Ended

Sep. 30, 2025

Notes Tables

Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block]

		For the Three Months								For the Nine Months
		Ended September 30,								Ended September 30,
		2025				2024				2025				2024
Americas		$	387,208			$	373,364			$	3,873,979			$	1,900,272
Asia-Pacific			478,073				127,030				988,941				562,526
Europe			2,995,961				1,973,219				8,450,491				7,910,059
Middle East & Africa			(53,968	)			4,607				68,893				825,769
Total revenue		$	3,807,274			$	2,478,221			$	13,382,304			$	11,198,627

Schedule of Segment Reporting Information, by Segment [Table Text Block]

		For the Three Months								For the Nine Months
		Ended September 30,								Ended September 30,
Revenues		2025				2024				2025				2024
Water		$	1,975,848			$	687,684			$	7,112,266			$	4,106,975
Ceramics			812,246				1,077,630				3,065,504				4,549,104
Plastics			1,019,180				663,198				3,204,534				2,492,839
Corporate			-				49,709				-				49,709
Total revenues		$	3,807,274			$	2,478,221			$	13,382,304			$	11,198,627

		For the Three Months								For the Nine Months
		Ended September 30,								Ended September 30,
Net loss		2025				2024				2025				2024
Water		$	(317,045	)		$	(627,456	)		$	(578,351	)		$	(1,316,195	)
Ceramics			(626,604	)			(735,131	)			(2,420,758	)			(2,053,964	)
Plastics			(49,126	)			(510,423	)			(204,295	)			(1,024,605	)
Corporate			(466,988	)			(967,516	)			(2,775,487	)			(2,945,757	)
Total net loss			(1,459,762	)			(2,840,526	)			(5,978,890	)			(7,340,521	)

		As of
		September 30,				December 31,
Total assets		2025				2024
Water		$	8,839,565			$	8,235,726
Ceramics			10,357,076				10,679,025
Plastics			2,503,101				1,670,644
Corporate			8,596,127				11,842,084
Total assets		$	30,295,868			$	32,427,479

X

- Definition

Tabular disclosure of the names of foreign countries from which revenue is material and the amount of revenue from external customers attributed to those countries. An entity may also provide subtotals of geographic information about groups of countries.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(1))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2

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-Name Accounting Standards Codification
-Section 50
-Paragraph 41
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-Publisher FASB
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- Definition

Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.

+ References

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-Topic 280
-SubTopic 10
-Section 50
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