Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2020

Leases [Abstract]

Schedule of Future Minimum Lease Payments Excluding Operating Costs

Future minimum lease payments, excluding Lease Operating Costs, under the Waltham Lease as of December 31, 2020 are as follows (in thousands):

2021	$	219
2022		181
2023		166
Thereafter		-
Total future minimum lease payments		566
Less: discount		(30	)
Total lease liabilities	$	536