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Stock Option Plan - Schedule of stock-based compensation expense for stock options (Details) - Selling, general and administrative - USD ($) | 3 Months Ended | 6 Months Ended
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Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |  |
Stock-based compensation | $ 14,022 | $ 513,026 | $ 568,681 | $ 1,390,808
Options |  |  |  |
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |  |
Stock-based compensation | 14,022 | 362,748 | 568,681 | 1,040,231
Restricted stock |  |  |  |
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |  |
Stock-based compensation | 0 | 119,052 | 0 | 287,956
Stock options - modified options |  |  |  |
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |  |
Stock-based compensation | 0 | 0 | 0 | 169
Profit interest units(1) |  |  |  |
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |  |
Stock-based compensation | $ 0 | $ 31,226 | $ 0 | $ 62,452

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