Condensed Consolidated Statements of Stockholders Equity (Unaudited) (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	9 Months Ended
Sep. 30, 2013 Common Stock [Member]	Sep. 30, 2014 Ipo And Private Placement [Member]	Sep. 30, 2014 Underwriter [Member]
Discount fee and direct costs of issuance		$ 6,530	$ 700
Issuance of warrants	6,675,900
Issuance of redeemable shares	272,850

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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