Shareholders' Equity (Details 4) - Stock Options [Member] - USD ($)		12 Months Ended
		Dec. 31, 2017		Dec. 31, 2016
Class of Stock [Line Items]
Number of Shares Underlying Options, Outstanding, Beginning balance		12,250
Number of Shares Underlying Options, Granted				12,250
Number of Shares Underlying Options, Exercised
Number of Shares Underlying Options, Expired
Number of Shares Underlying Options, Forfeited		778
Number of Shares Underlying Options, Outstanding, Ending balance		11,472		12,250
Number of Shares Underlying Options, Outstanding and Exercisable		4,597		681
Weighted Average Exercise Price, Outstanding, Beginning balance		$ 19.35
Weighted Average Exercise Price, Granted				$ 19.35
Weighted Average Exercise Price, Exercised
Weighted Average Exercise Price, Expired
Weighted Average Exercise Price, Forfeited		19.35
Weighted Average Exercise Price, Outstanding, Ending balance		19.35		19.35
Weighted Average Exercise Price, Outstanding and Exercisable		19.35		19.35
Weighted Average Grant Date Fair Value, Outstanding, Beginning balance		4.78
Weighted Average Grant Date Fair Value, Granted				4.78
Weighted Average Grant Date Fair Value, Exercised
Weighted Average Grant Date Fair Value, Expired
Weighted Average Grant Date Fair Value, Forfeited		4.78
Weighted Average Grant Date Fair Value, Outstanding, Ending balance		4.78		4.78
Weighted Average Grant Date Fair Value, Outstanding and Exercisable		$ 4.78		$ 4.78
Weighted Average Remaining Contractual Life, Outstanding		3 years 7 months 10 days		4 years 10 months 3 days
Weighted Average Remaining Contractual Life, Outstanding and Exercisable		3 years 7 months 10 days		4 years 10 months 3 days
Aggregate Intrinsic Value, Outstanding	[1]
Aggregate Intrinsic Value, Outstanding and Exercisable			[1]		[2]

[1] The aggregate intrinsic value is based on the $1.06 closing price as of December 31, 2017 for the Company's Common Stock.

[2] The aggregate intrinsic value is based on the $10.34 closing price as of December 31, 2016 for the Company's Common Stock.