Other Operating Expenses (Details) - Director [Member] - Consulting Contract [Member] - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Related Party Transaction [Line Items]
Annual consulting contract fees			$ 300		$ 300
Total commission expense	$ 164	$ 140	$ 523	$ 280