Leases - Additional Information (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2021 USD ($) Term	Sep. 30, 2020 USD ($)	Dec. 31, 2020 USD ($)	Apr. 23, 2019 ft²	Mar. 31, 2019 USD ($)	Mar. 05, 2019 ft²	Apr. 01, 2018 ft²	Mar. 06, 2018 ft²
Lessee Lease Description [Line Items]
Operating lease right of use asset	$ 200,000		$ 200,000
Operating lease liability, current	$ 176,895		$ 176,895		$ 274,172
Operating lease liability, non-current					90,139
Operating lease discount rate	8.00%	8.00%	8.00%	8.00%
Operating lease, weighted average remaining lease term	8 months 12 days		8 months 12 days
Operating lease, cash payment made	$ 100,000	$ 100,000	$ 200,000	$ 200,000
Operating lease expense	$ 100,000	$ 100,000	$ 200,000	$ 200,000
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	us-gaap:OtherAssets		us-gaap:OtherAssets
0.2	$ 176,895		$ 176,895		$ 274,172
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Other current liabilities		Other current liabilities		Other current liabilities
ASU 2016-02
Lessee Lease Description [Line Items]
Operating lease right of use asset	$ 300,000		$ 300,000				$ 400,000
Operating lease liability, current	100,000		100,000				200,000
Operating lease liability, non-current	200,000		200,000				200,000
0.2	$ 100,000		$ 100,000				$ 200,000
Newton Lease | Newton, Massachusetts
Lessee Lease Description [Line Items]
Lease agreement date			Mar. 06, 2018
Lease commencement date			Oct. 01, 2018
Square feet of office space leased | ft²										2,760
Amended Newton Lease | Newton, Massachusetts
Lessee Lease Description [Line Items]
Lease agreement date			Mar. 05, 2019
Lease commencement date			Jun. 01, 2019
Square feet of office space leased | ft²								1,600
Lease expiration date			May 31, 2022
Bend Lease | Oregon
Lessee Lease Description [Line Items]
Lease agreement date			Apr. 01, 2018
Square feet of office space leased | ft²									2,288
Maximum additional periods of option to extend the bend term | Term			2
Option to extend bend term for duration period			3 years
Amended Bend Lease | Oregon
Lessee Lease Description [Line Items]
Lease agreement date			Apr. 23, 2019
Lease commencement date			May 01, 2019
Square feet of office space leased | ft²						1,389
Lease expiration date			May 31, 2022