Stockholders' Equity (Details 3) - $ / shares	12 Months Ended
Dec. 31, 2017	Dec. 31, 2016
Warrants
Warrants, Expired
Weighted Average Exercise Price
Warrants, Expired
Warrant [Member]
Warrants
Beginning of period	16,909	16,909
Warrants, Expired	(1,613)
Ending of period	15,296	16,909
Weighted Average Exercise Price
Beginning of period	$ 30.81	$ 30.81
Warrants, Expired	0
Ending of period	$ 30.00	$ 30.81

No definition available.

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- Definition

Share based compensation arrangement by share based payment award equity instruments other than options expired in period

+ References

No definition available.

+ Details

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- Definition

Share based compensation arrangement by share based payment award equity instruments other than options expired in period weighted average grant date fair value.

+ References

No definition available.

+ Details

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- References

No definition available.

+ Details

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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.

+ References

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