Revenue from Contracts with Customers (Details 2) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Revenues	$ 19,983,420	$ 54,783,790	$ 40,634,263	$ 94,449,146
North America
Revenues	18,763,660	53,706,367	38,173,804	92,248,748
Europe
Revenues	$ 1,219,760	$ 1,077,423	$ 2,460,459	$ 2,200,398