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Summary of Significant Accounting Policies - Stock (Details)			12 Months Ended
	Dec. 03, 2013 shares	Nov. 01, 2013	Dec. 31, 2013 shares	Jun. 26, 2013 shares
Conversion of Stock [Line Items]
Reverse stock split ratio		0.322
Series A-1 Convertible Preferred Stock
Conversion of Stock [Line Items]
Conversion of Stock, Shares Converted	49,671,392		(49,671,392)
Exchange of Series A-1 and A-2 preferred for common stock (in shares)	16,022,915			5,561,006
Series A-2 Convertible Preferred Stock
Conversion of Stock [Line Items]
Conversion of Stock, Shares Converted	1,851,814		(1,851,814)
Exchange of Series A-1 and A-2 preferred for common stock (in shares)	597,359			1,851,814

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
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