Employee Benefit Plans (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Employee Benefit Plans [Line Items]
Administrative expense	$ 1,200	$ 2,300	$ 7,000
Discretionary contribution	260,000	250,000	260,000
Deferred Compensation Expense Non Qualified Plan	$ 184,000	$ 138,000	$ 123,000