Issuance of Common Stock (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Stock Issued During Period, Shares, New Issues	350,000
Common Stock, Par Or Stated Value Per Share	$ 1.25	$ 1.25
Stock Issued During Period, Value, New Issues	$ 8,151,000
Payments of Stock Issuance Costs	$ 63,000
Investor [Member]
Common Stock, Par Or Stated Value Per Share	$ 23.50
Individual [Member]
Common Stock, Par Or Stated Value Per Share	$ 1.25