Consolidated Statements of Mandatorily Redeemable Convertible Preferred Stock and Changes in Stockholders' Equity (Deficit) (Parenthetical) (USD $) In Thousands, unless otherwise specified	0 Months Ended	9 Months Ended
Jun. 13, 2013	Sep. 30, 2013
Consolidated Statements of Mandatorily Redeemable Convertible Preferred Stock and Changes in Stockholders' Equity (Deficit)
Reverse stock split ratio	0.67	0.67
Common stock issuance, issuance cost		$ 191

Amount of decrease in additional paid in capital (APIC) resulting from direct costs associated with issuing stock. Includes, but is not limited to, legal and accounting fees and direct costs associated with stock issues under a shelf registration.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.3-04)

-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

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