Leases (Details) - USD ($)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Lessee, Lease, Description [Line Items]
Lessee, Operating Lease, Renewal Term	5 years
Operating Lease, Cost	$ 357,000	$ 429,000
Operating Lease, Cost	357,000	$ 429,000
Operating Lease, Right-of-Use Asset, Noncurrent	4,159,000		$ 4,484,000
Operating Lease, Right-of-Use Asset	4,159,000		4,484,000
Operating Lease, Liability, Current	(987,000)		(1,304,000)
Operating Lease, Liability, Noncurrent	3,109,000		3,119,000
Operating Lease, Liability	$ 4,096,000		$ 4,423,000
Operating Lease, Weighted Average Remaining Lease Term	4 years		4 years
Operating Lease, Weighted Average Discount Rate, Percent	0.00%		0.00%
Lessee, Operating Lease, Liability, to be Paid, Year One	$ 1,075,000		$ 1,433,000
Lessee, Operating Lease, Liability, to be Paid, Year Two	1,174,000		1,174,000
Lessee, Operating Lease, Liability, to be Paid, Year Three	1,102,000		1,102,000
Lessee, Operating Lease, Liability, to be Paid, Year Four	1,000,000		1,000,000
Lessee, Operating Lease, Liability, to be Paid, Year Five	530,000		530,000
Lessee, Operating Lease, Liability, to be Paid	4,881,000		5,239,000
Lessee, Operating Lease, Imputed Interest	(785,000)		(816,000)
Lessee, Operating Lease, Discounted Lease Payments	$ 4,096,000		$ 4,423,000
Minimum [Member]
Lessee, Lease, Description [Line Items]
Lessee, Operating Lease, Term of Contract	1 year
Maximum [Member]
Lessee, Lease, Description [Line Items]
Lessee, Operating Lease, Term of Contract	5 years