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v3.23.2

Note 11 - Segment Reporting - Summary of Segment Activity (Details) - USD ($) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2023 | Mar. 31, 2023 | Jun. 30, 2022 | Mar. 31, 2022 | Jun. 30, 2023 | Jun. 30, 2022 | Dec. 31, 2022
Revenue | $ 4,990,019 |  | $ 5,018,292 |  | $ 9,001,538 | $ 8,655,528 |
Net Loss | (1,555,292) | $ (2,389,503) | (6,507,059) | $ (3,746,424) | (3,944,795) | (10,253,483) |
Segment assets | 37,321,712 |  |  |  | 37,321,712 |  | $ 40,125,655
Corporate, Non-Segment [Member] |  |  |  |  |  |  |
Revenue | 2,801 |  | 26,242 |  | 2,801 | 51,772 |
Water Segment [Member] |  |  |  |  |  |  |
Revenue |  |  |  |  | 3,505,217 | 2,737,002 |
Net Loss | 2,439 |  | 37,252 |  | (461,036) | (756,696) |
Segment assets | 8,795,824 |  |  |  | 8,795,824 |  | 7,781,211
Water Segment [Member] | Operating Segments [Member] |  |  |  |  |  |  |
Revenue | 2,070,298 |  | 2,144,011 |  | 3,505,217 | 2,737,002 |
Ceramics Segment [Member] |  |  |  |  |  |  |
Revenue |  |  |  |  | 3,198,837 | 3,692,452 |
Net Loss | (439,090) |  | (1,689,972) |  | (1,000,774) | (2,746,320) |
Segment assets | 14,484,687 |  |  |  | 14,484,687 |  | 13,808,529
Ceramics Segment [Member] | Operating Segments [Member] |  |  |  |  |  |  |
Revenue | 1,789,465 |  | 1,812,334 |  | 3,198,837 | 3,692,452 |
Plastics Segment [Member] |  |  |  |  |  |  |
Revenue |  |  |  |  | 2,294,683 | 2,174,302 |
Plastics Segment [Member] | Operating Segments [Member] |  |  |  |  |  |  |
Revenue | 1,127,455 |  | 1,035,705 |  | 2,294,683 | 2,174,302 |
Plastic Products [Member] |  |  |  |  |  |  |
Net Loss | (67,272) |  | (132,198) |  | (133,333) | (239,600) |
Segment assets | 1,216,916 |  |  |  | 1,216,916 |  | 1,099,019
Corporate Segment [Member] |  |  |  |  |  |  |
Revenue |  |  |  |  | 2,801 | 51,772 |
Net Loss | (1,051,369) |  | $ (4,722,141) |  | (2,349,652) | $ (6,510,867) |
Segment assets | $ 12,824,285 |  |  |  | $ 12,824,285 |  | $ 17,436,896

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