Operating Leases (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($) $ / ft²	Dec. 31, 2019 USD ($)
Operating Leases [Abstract]
Annual base rent (per square foot) | $ / ft²	9.00
Annual increase per square foot (in dollars per square foot) | $ / ft²	0.25
Cost Components of Operating Leases [Abstract]
Operating lease cost	$ 213	$ 213
Variable lease cost	114	102
Total	327	$ 315
Maturities of Lease Liability [Abstract]
2021	219
2022	55
Total lease payments	274
Less: Interest	(13)
Present value of lease liability	$ 261
Remaining lease term	1 year 3 months	2 years 3 months
Discount rate	7.50%	7.50%
Operating cash outflows from operating lease	$ 213	$ 206