Shareholders' Equity (Details 4) - Stock Options [Member] - USD ($)		9 Months Ended	12 Months Ended
		Sep. 30, 2017	Dec. 31, 2016
Class of Stock [Line Items]
Number of Shares Underlying Options, Outstanding, Beginning		12,250	12,250
Number of Shares Underlying Options, Forfeited		778
Number of Shares Underlying Options, Outstanding, Ending		11,472	12,250
Number of Shares Underlying Options, Outstanding and Exercisable		3,660
Weighted Average Exercise Price, Outstanding, Beginning balance		$ 19.35
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
Weighted Average Grant Date Fair Value, Outstanding, Beginning balance		4.78
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
Weighted Average Remaining Contractual Life, Outstanding		4 years 1 month 6 days	4 years 10 months 3 days
Weighted Average Remaining Contractual Life, Outstanding and Exercisable		4 years 1 month 6 days
Aggregate Intrinsic Value, Outstanding	[1]
Aggregate Intrinsic Value, Outstanding and Exercisable	[1]

[1] The aggregate intrinsic value is based on the $1.25 closing price as of September 30, 2017 for the Company's Common Stock.