Other Current Assets and Accrued Expenses (Details) - USD ($)	Sep. 30, 2021	Dec. 31, 2020	Sep. 30, 2020
Other Current Assets and Accrued Expenses
Inventories	$ 1,198,546	$ 990,976
Prepaid rent, insurance and other assets	1,226,169	772,657
Employee retention credit receivable	1,296,396	0
Total other current assets	$ 3,721,111	$ 1,763,633	$ 1,763,633