Accrued Expenses and Other Liabilities - Schedule of Accrued Expenses and Other Liabilities (Details) - USD ($)	Mar. 31, 2021	Dec. 31, 2020
Accrued Liabilities And Other Liabilities [Abstract]
Accrued compensation and related liabilities	$ 992,810	$ 932,988
Deferred revenue and customer deposits	1,281,663	1,096,672
Warranty reserve	425,377	425,636
Deferred rent	292,890	312,909
Other accrued expenses	592,362	713,239
Accrued expenses and other liabilities	$ 3,585,102	$ 3,481,444