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Shareholders' Equity Warrant Exercises (Details) (USD $) | 6 Months Ended
--- | ---
Jun. 30, 2013 | Jun. 30, 2012
Stock Options and Warrants [Line Items] |  |
Proceeds from exercise of warrants | $ 105,881 | $ 0
Underwriting Offering [Member] |  |
Stock Options and Warrants [Line Items] |  |
Class of Warrant or Right, Additional Number of Securities Called by Warrants or Rights | 20,761 |
Class of Warrant or Right, Exercise Price of Warrants or Rights | 5.1 |
Proceeds from exercise of warrants | 100,000 |
Class of Warrant or Right, Exercise Price of Warrants or Rights, Amount Above Closing Price of Common Stock on Date of Subscription Agreement | 0.30 |
Class of Warrant or Right, fair value of warrant inducement | $ 0 |

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- Definition Class of Warrant or Right, Exercise Price of Warrants or Rights, Amount Above Closing Price of Common Stock on Date of Subscription Agreement + References No definition available. + Details
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- Definition The exercise price of each class of warrants or rights outstanding. + References Reference 1: 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)(4)) -URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph i -Subparagraph 4 -Article 4 + Details
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