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Stockholders' Equity - Summary of Stock-Based Compensation Expense (Details) - USD ($) | 3 Months Ended | 9 Months Ended
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Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |
Stock-based compensation expense | $ 210,280 | $ 164,857 | $ 503,419 | $ 490,140
General and Administrative |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |
Stock-based compensation expense | 171,636 | 120,188 | 373,667 | 357,679
Production |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |
Stock-based compensation expense | 15,118 | 18,140 | 50,856 | 52,131
Marketing and Selling |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |
Stock-based compensation expense | 15,696 | 15,011 | 50,062 | 44,472
Research and Development |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |
Stock-based compensation expense | $ 7,830 | $ 11,518 | $ 28,834 | $ 35,858

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