Research Collaboration and License Agreements (Tables)

12 Months Ended

Dec. 31, 2020

Research Collaboration And License Agreements [Abstract]

Summary of Contract Liabilities

Information about contract liabilities, included as deferred revenue in the accompanying Consolidated Balance Sheets, is as follows:

	December 31,
	2020		2019
Contract liabilities	$	45,089,094	$	58,407,407
Revenues recognized in the period from:
Amounts included in deferred revenue in previous periods		18,651,649		14,335,188

Transaction Price Allocated to Performance Obligations

The aggregate amount of the transaction price allocated to performance obligations that are unsatisfied as of December 31, 2020 was $45.1 million, which is expected to be recognized in the following periods (in millions):

2021	$	19.4
2022		19.2
2023		6.5
	$	45.1