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Accrued Expenses and Other Liabilities - Schedule of Accrued Expenses and Other Liabilities (Details) - USD ($)
Sep. 30, 2020
Dec. 31, 2019
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