Operating Leases (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($) $ / ft²	Dec. 31, 2018 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
Variable lease cost	102
Total	315
Maturities of Lease Liability [Abstract]
2020	213
2021	219
2022	55
Total lease payments	487
Less: Interest	(40)
Present value of lease liability	$ 447
Remaining lease term	2 years 3 months
Discount rate	7.50%
Operating cash outflows from operating lease	$ 206
Rent expense		$ 293
Future Minimum Lease Payments [Abstract]
2019		217
2020		220
2021		219
2022		55
2023		$ 0