Authoritative Accounting Guidance (Details Textual) - USD ($) $ in Thousands	Sep. 30, 2019	Jan. 01, 2019
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]
Operating lease right-of-use asset	$ 2,000
Operating lease liability	$ 1,944
ASU 2016-02
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]
Operating lease right-of-use asset		$ 2,100
Operating lease liability		$ 2,100