Equity (Details 6) (USD $) In Thousands, except Per Share data, unless otherwise specified				6 Months Ended
Jun. 30, 2012	Dec. 31, 2011	Dec. 31, 2010	Jun. 30, 2012 Warrants Group One [Member]	Jun. 30, 2012 Warrants Group Two [Member]	Jun. 30, 2012 Warrants Group Three [Member]
Class of Warrant or Right [Line Items]
Number of Warrants Outstanding and Excercisable	149,891	182,644	135,131	14,136	130,408	5,347
Weighted Average Remaining Life Of Warrants Or Rights				11 months	1 year 6 months	2 years 10 months
Warrants Weighted Average Exercise Price	$ 0.0266	$ 0.0261	$ 0.0274	$ 0.0433	$ 0.0225	$ 0.0500

Aggregate amount of each class of warrants or rights outstanding.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 129

-Paragraph 4

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(i))

-URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 08

-Paragraph i

-Article 4

Name:	us-gaap_ClassOfWarrantOrRightOutstanding
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant