Income Taxes - Schedule of Tax Benefit and Effective Income Tax (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Federal benefit expected at statutory rate	$ (18,694,437)	$ (12,188,924)
State and local taxes, net of federal benefit	(5,279,879)	(3,053,709)
Stock-based compensation	1,768,735	1,591,202
Unearned revenue	(5,120,330)	(1,969,056)
Interest expense	1,173,535	1,015,199
Other differences, net	152,294	199,643
Valuation allowance	26,168,671	(6,685,348)
Other permanent differences	42,243	1,549,866
Tax benefit and effective income tax rate	$ 210,832	$ (19,541,127)
Federal benefit expected at statutory rate, percentage	21.00%	21.00%
State and local taxes, net of federal benefit, percentage	5.90%	5.30%
Stock based compensation, percentage	(2.00%)	(2.70%)
Unearned revenue, percentage	5.80%	3.40%
Effective income tax rate reconciliation, Interest expense, percentage	(1.30%)	(1.70%)
Other differences, net, percentage	(0.20%)	(0.40%)
Valuation allowance, percentage	(29.40%)	11.50%
Other permanent differences, percentage	0.00%	(2.70%)
Tax benefit and effective income tax rate, percentage	(0.20%)	33.70%