Prepaid Expenses and Other Current Assets	3 Months Ended
	Mar. 31, 2021
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Prepaid Expenses and Other Current Assets	Prepaid Expenses and Other Current Assets    As of March 31, 2021, the Company had prepaid expenses and other current assets of approximately $2.4 million. The Company's prepaid expenses are primarily for advance research and development payments, insurance, software licenses, prepaid rent, and other amounts that relate to future periods of service. Other current assets primarily consist of such items as other receivables and security deposits.Other Non-Current AssetsAs of March 31, 2021 and December 31, 2020, the Company had non-current prepaid expenses of zero and approximately $1.1 million, respectively. The Company's non-current prepaid expenses are for advance research and development payments which will be issued for projects that have estimated completion dates of more than one year. As of March 31, 2021 all prepaid research and development expenses is classified as current as the services are expected to be provided prior to March 31, 2022.