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Accrued Expenses and Other Liabilities - Schedule of Accrued Expenses and Other Liabilities (Details) - USD ($) | Sep. 30, 2020 | Dec. 31, 2019
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Accrued Liabilities And Other Liabilities [Abstract] |  |
Accrued compensation and related liabilities | $ 764,876 | $ 1,621,177
Deferred revenue and customer deposits | 1,406,683 | 1,260,126
Warranty reserve | 438,685 | 424,011
Other accrued expenses | 1,147,865 | 1,302,118
Accrued expenses and other liabilities | $ 3,758,109 | $ 4,607,432

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