Recent Accounting Pronouncements (Details Textual) - USD ($)	Mar. 31, 2019		Jan. 01, 2019	Dec. 31, 2018
New Accounting Pronouncements and Changes in Accounting Principles [Abstract]
New Accounting Pronouncement Or Change In Accounting Principle Assets And Liabilities	$ 0			$ 0
Operating Lease, Right-of-Use Asset	6,300,000		$ 6,700,000
Operating Lease, Liability	$ 6,427,000	[1]	$ 6,700,000

[1] The weighted average remaining lease term and weighted average discount rate used in calculating our lease liabilities were 7 years and 4.8%, respectively, at March 31, 2019.