Summary of Significant Accounting Policies (Details 2)	Dec. 31, 2013	Mar. 06, 2013	Dec. 31, 2012
Notes to Financial Statements
Convertible preferred stock	20,010,352		1
Warrants to purchase common stock	65,263	474,266	550,664
Options to purchase common stock	2,013,876		7,163
Total	22,089,491		557,828

Number of options outstanding, including both vested and non-vested options.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-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)(i)-(ii)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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