Leases (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Leases (Details) [Line Items]
Operating Lease, Expense	$ 94,000	$ 94,000	$ 284,000	$ 289,000
Short-term Lease Payments	$ 2,000	$ 20,000	$ 5,000	$ 56,000
Minimum [Member]
Leases (Details) [Line Items]
Lessee, Operating Lease, Renewal Term	1 year		1 year
Maximum [Member]
Leases (Details) [Line Items]
Lessee, Operating Lease, Renewal Term	5 years		5 years