Shareholders' Equity (Details 3) - Stock Options [Member] - USD ($)		3 Months Ended	12 Months Ended
		Mar. 31, 2017	Dec. 31, 2016
Class of Stock [Line Items]
Number of Shares Underlying Options, Outstanding, Beginning			12,250
Number of Shares Underlying Options, Granted
Number of Shares Underlying Options, Exercised
Number of Shares Underlying Options, Expired
Number of Shares Underlying Options, Outstanding, Ending		12,250
Number of Shares Underlying Options, Outstanding and Exercisable		1,701
Weighted Average Exercise Price, Granted
Weighted Average Exercise Price, Exercised
Weighted Average Exercise Price, Expired
Weighted Average Exercise Price, Outstanding		19.35	19.35
Weighted Average Exercise Price, Outstanding and Exercisable		19.35
Weighted Average Grant Date Fair Value, Granted
Weighted Average Grant Date Fair Value, Exercised
Weighted Average Grant Date Fair Value, Expired
Weighted Average Grant Date Fair Value, Outstanding		4.78	$ 4.78
Weighted Average Grant Date Fair Value, Outstanding and Exercisable		$ 4.78
Weighted Average Remaining Contractual Life, Outstanding		4 years 7 months 25 days	4 years 10 months 2 days
Weighted Average Remaining Contractual Life, Outstanding and Exercisable		4 years 7 months 25 days
Aggregate Intrinsic Value, Granted	[1]
Aggregate Intrinsic Value, Outstanding	[1]
Aggregate Intrinsic Value, Outstanding and Exercisable	[1]

[1] The aggregate intrinsic value is based on the $3.89 closing price as of March 31, 2017 for the Company's Common Stock.