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Note 14 - Segment Reporting - Summary of Segment Activity (Details) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Sep. 30, 2022
Revenue	$ 15,982,438	$ 18,273,442
Net Income (Loss)	(14,169,107)	(11,126,960)
Segment assets	40,125,655	45,054,692	$ 40,125,655
Water Segment [Member]
Revenue	5,297,286	7,196,465
Net Income (Loss)	(1,072,530)	(1,411,196)
Segment assets		7,767,679	7,781,211
Water Segment [Member] | Operating Segments [Member]
Revenue	5,297,286	7,196,465
Ceramics Segment [Member]
Revenue	6,844,861	7,183,868
Net Income (Loss)	(4,648,768)	(3,330,840)
Segment assets		13,961,057	13,808,529
Ceramics Segment [Member] | Operating Segments [Member]
Revenue	6,844,861	7,183,868
Plastics Segment [Member]
Revenue	3,528,606	3,615,681
Plastics Segment [Member] | Operating Segments [Member]
Revenue	3,528,606	3,615,681
Plastic Products [Member]
Net Income (Loss)	(794,942)	(1,317,293)
Segment assets		1,645,879	1,099,019
Other Segments [Member]
Net Income (Loss)	(7,652,867)	(5,067,631)
Segment assets		21,680,077	$ 17,436,896
Other Segments [Member] | Operating Segments [Member]
Revenue	$ 311,685	$ 277,428

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-URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e9031-108599

Reference 11: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 924
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 11.L)
-URI https://asc.fasb.org/extlink&oid=6472922&loc=d3e499488-122856

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