Summary of Significant Accounting Policies (Narrative) (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2019 USD ($)	Jan. 01, 2019 USD ($)
Reverse stock split ratio	0.1818
Reverse stock split	1-for-5.5
Balances of loans of all other classes while impairment evaluation	$ 250
Investment tax credit	894
Operating lease right-of-use assets	1,874
Operating lease liabilities	$ 2,062
Accounting Standards Update 2016-02 [Member]
Operating lease right-of-use assets		$ 2,400
Operating lease liabilities		$ 2,400