Retirement Plans (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Period for which individual completed employment	6 months
Eligibility of individual, age basis	20 or more years
Maximum contribution of Corporation	3.00%
Contribution plan vesting period	3 years
Expenses related retirement plan	$ 164,000	$ 176,000
Total expenses	2,000	38,000
Total accrued liability	888,000	928,000
Outstanding liability	$ 761,000	$ 768,000