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Accrued Expenses and Other Liabilities | 3 Months Ended
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Mar. 31, 2020
Accrued Liabilities And Other Liabilities [Abstract] |
Accrued Expenses and Other Liabilities | NOTE 7 – ACCRUED EXPENSES AND OTHER LIABILITIES Accrued expenses and other liabilities consist of the following:
|  | March 31, |  |  | December 31, |
|  | 2020 |  |  | 2019 |
Accrued compensation and related liabilities |  | $ | 1,798,990 |  |  | $ | 1,621,177 |
Deferred revenue and customer deposits |  |  | 1,410,491 |  |  |  | 1,260,126 |
Warranty reserve |  |  | 422,782 |  |  |  | 424,011 |
Other accrued expenses |  |  | 978,243 |  |  |  | 1,302,118 |
|  | $ | 4,610,506 |  |  | $ | 4,607,432 |

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