Consolidated Statements of Shareholders' Equity (Parentheticals) (USD $) In Thousands, unless otherwise specified	0 Months Ended	12 Months Ended
Oct. 31, 2011	Dec. 31, 2014	Dec. 31, 2012
Reverse stock split, conversion ratio	0.01		0.01
Stock issuance costs		$ 18
2012 Issuance [Member]
Stock issuance costs			379

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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