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Shareholders' Equity - Schedule of Stock Options Activity (Details) - $ / shares		12 Months Ended
		Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Stockholders' Equity Note [Abstract]
Stock options outstanding, beginning		390,525	2,343,022	2,276,079
Stock options, Granted		170,000		340,711
Stock options, Forfeited
Stock options, Expired		(170,838)		(273,768)
Stock options, Exercised
Stock options outstanding, ending		389,687	390,525	2,343,022
Shares restated after 6 to 1 split, outstanding		389,687	390,525	390,525
Stock options exercisable, ending		274,132	376,084	2,194,022
Shares restated after 6 to 1 split, exercisable				365,693
Stock options outstanding price per share, beginning	[1]	$ 20.64	$ 3.44	$ 3.78
Stock options outstanding price per share, Granted	[1]	1.00		1.50
Stock options outstanding price per share, Forfeited	[1]
Stock options outstanding price per share, Expired	[1]	29.82		3.86
Stock options outstanding price per share, Exercised	[1]
Stock options outstanding price per share, ending	[1]	8.05	20.64	3.44
Shares restated after 6 to 1 split per share, outstanding	[1]	8.05	20.64	20.64
Stock options exercisable price per share	[1]	10.79	20.79	3.53
Shares restated after 6 to 1 split per share, exercisable	[1]			$ 21.17
[1] Represents the weighted average price.

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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