Operating Leases (Details)	12 Months Ended
	Dec. 31, 2021 USD ($) $ / ft² ft²	Dec. 31, 2020 USD ($)
Operating Lease s [Abstract]
Area of property leased under operating lease | ft²	23,000
Monthly rent and common area maintenance charges	$ 29,000
Annual base rent (per square foot) | $ / ft²	10.50
Cost Components of Operating Leases [Abstract]
Operating lease cost	$ 219,000	$ 213,000
Variable lease cost	123,000	114,000
Total	342,000	$ 327,000
Maturities of Lease Liability [Abstract]
2022	213,000
2023	249,000
2024	257,000
2025	264,000
2026	272,000
2027	69,000
Total lease payments	1,324,000
Less: Interest	(201,000)
Present value of lease liability	$ 1,123,000
Remaining lease term	5 years 3 months	1 year 3 months
Discount rate	7.50%	7.50%
Operating cash outflows from operating lease	$ 219,000	$ 213,000
Minimum [Member]
Operating Lease s [Abstract]
Annual increase per square foot (in dollars per square foot) | $ / ft²	0.32
Maximum [Member]
Operating Lease s [Abstract]
Annual increase per square foot (in dollars per square foot) | $ / ft²	0.34