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Stockholders' Equity - Summary of Stock-Based Compensation Expense (Details) - USD ($) | 3 Months Ended
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Mar. 31, 2020 | Mar. 31, 2019
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Stock-based compensation expense | $ 207,761 | $ 167,474
General and Administrative |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Stock-based compensation expense | 159,680 | 125,206
Production |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Stock-based compensation expense | 17,969 | 14,898
Marketing and Selling |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Stock-based compensation expense | 17,292 | 14,393
Research and Development |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Stock-based compensation expense | $ 12,820 | $ 12,977

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