Stockholders' Equity (Details 3) - $ / shares	12 Months Ended
Dec. 31, 2015	Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding	3,716,355	33,594
August 2007
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price	$ 7.91
Expiration	2017-08
Outstanding	8,921	8,921
March 2008
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price	$ 790.54
Expiration	2018-03
Outstanding	46	46
November 2009
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price	$ 7.91
Expiration	2019-11
Outstanding	6,674	6,674
January 2010
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price	$ 7.91
Expiration	2020-01
Outstanding	6,674	6,674
March 2010
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price	$ 7.91
Expiration	2020-03
Outstanding	1,277	1,277
November 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price	$ 7.91
Expiration	2021-11
Outstanding	5,213	5,213
December 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price	$ 7.91
Expiration	2021-12
Outstanding	664	664
March 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price	$ 109.90
Expiration	2019-03
Outstanding	4,125	4,125
February 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price	$ 6.60
Expiration	2025-02
Outstanding	225,011	0
May 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price	$ 6.60
Expiration	2020-05
Outstanding	3,457,750	0

Share-based Compensation Arrangement by Share-based Payment Award, Expiration Year and Month.

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- Definition

Weighted average price at which grantees can acquire the shares reserved for issuance under the stocks other than options.

+ References

No definition available.

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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- Definition

Number of equity instruments other than options outstanding, including both vested and non-vested instruments.

+ 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)(1)(i)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(ii)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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