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v3.21.2

Note 10 - Segment Reporting (Details Textual) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2021 USD ($) | Mar. 31, 2021 USD ($) | Jun. 30, 2020 USD ($) | Mar. 31, 2020 USD ($) | Jun. 30, 2021 USD ($) | Jun. 30, 2020 USD ($) | Dec. 31, 2020 USD ($)
Number of Operating Segments |  |  |  |  | 3 |  |
Increase (Decrease) in Revenue | $ (624,920) |  |  |  | $ (6,908,887) |  |
Increase (Decrease) in Revenue, Percentage | (13.00%) |  |  |  |  |  |
Net Income (Loss) Attributable to Parent, Total | $ (3,098,108) | $ (2,459,429) | $ (2,563,811) | $ 303,499 | (5,557,537) | $ (2,260,312) |
Assets, Total | 51,404,432 |  | 51,404,432 |  | 51,404,432 | 51,404,432 | $ 42,210,137
Water Segment [Member] |  |  |  |  |  |  |
Increase (Decrease) in Revenue | (1,243,036) |  |  |  | (7,997,503) |  |
Net Income (Loss) Attributable to Parent, Total | (944,122) |  | (506,209) |  | (1,580,562) | 110,758 |
Assets, Total | 12,166,764 |  |  |  | 12,166,764 |  | 14,033,107
Ceramics Segment [Member] |  |  |  |  |  |  |
Increase (Decrease) in Revenue | 488,558 |  |  |  |  |  |
Net Income (Loss) Attributable to Parent, Total | (1,457,862) |  | $ (874,606) |  | (1,882,398) | $ (975,701) |
Assets, Total | 15,747,698 |  |  |  | $ 15,747,698 |  | $ 16,734,371
Plastics Segment [Member] |  |  |  |  |  |  |
Increase (Decrease) in Revenue | $ 152,468 |  |  |  |  |  |

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