Summary of Significant Accounting Policies - Revenue Recognition (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Disaggregation of Revenue [Line Items]
Royalty and licensing revenue	$ 29,625,181	$ 40,519,800
Revenue Benchmark | Adapt Agreement
Disaggregation of Revenue [Line Items]
Percent of revenue recognized	93.00%
Royalty and licensing revenue
Disaggregation of Revenue [Line Items]
Royalty and licensing revenue	$ 27,401,919	$ 37,592,401