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Supplemental disclosure of cash flow information (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
Supplemental Disclosure Of Cash Flow Information [Line Items] |  |
Interest paid in cash | $ 21,417 | $ 14,797
Income taxes paid in cash | 4,920,912 | 211,000
Non-cash transactions: |  |
Dividends declared but not paid | 1,502,506 | 1,305,367
Issuance of 368,383 and 0, respectively, shares of common stock for the purchase of non-controlling interests in PERC | 5,359,973 | 0
Transfers from inventory to property, plant and equipment and construction in progress | 317,853 | 346,024
Transfers from construction in progress to property, plant and equipment | 7,093,158 | 297,723
Right-of-use assets obtained in exchange for new operating lease liabilities | 745,078 | 0
Purchase of equipment through issuance of long-term debt | 0 | 188,645
Redeemable preferred stock [Member] |  |
Non-cash transactions: |  |
Issuance of 13,309 and 9,295, respectively, shares of redeemable preferred stock for services rendered | 323,275 | 133,197
Conversion (on a one-to-one basis) of 8,848 and 6,585, respectively, shares of redeemable preferred stock to common stock | 5,309 | 3,951
Issuance of shares, respectively, shares of common stock for services rendered | $ 13,309 | $ 9,295
Conversion (on a one-to-one basis) of 8,848 and 6,585, respectively, shares of redeemable preferred stock to common stock | 8,848 | 6,585
Common stock [Member] |  |
Non-cash transactions: |  |
Issuance of 68,864 and 72,597, respectively, shares of common stock for services rendered | $ 1,015,177 | $ 877,298
Issuance of shares, respectively, shares of common stock for services rendered | $ 68,864 | $ 72,597

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