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Preferred Stock (Details Textual) (USD $) | 6 Months Ended |  |  |
--- | --- | --- | --- | ---
Jun. 30, 2012 | Jun. 06, 2012 | Dec. 31, 2011 | Dec. 05, 2008 Common Stock | Dec. 05, 2008 Series A Preferred Stock [Member]
Preferred Stock (Textual) [Abstract] |  |  |  |  |
Issuance of Preferred stock | 7,225 |  | 7,225 |  | 7,225
Dividend declared on shares of common stock |  |  |  | $ 0.25 |
Preferred stock value | $ 7,147,000 |  | $ 7,120,000 |  | $ 7,725,000
Preferred Stock (Additional Textual) [Abstract] |  |  |  |  |
Dividend rate | 5.00% |  |  |  |
Future dividend rate | 9.00% |  |  |  |
Liquidation preference | $ 1 |  |  |  |
Cumulative deferred dividend | 661,000 |  | 466,000 |  |
Number of quarters for which payment has been deferred | 6 |  |  |  |
Maximum offering range in restructured registered common stock offering |  | 22,500,000 |  |  |
Redemption amount of preferred stock and warrant if company raises specified amount in restructured registered common stock offering |  | 3,000,000 |  |  |
Discount on Redemption | $ 5,000,000 |  |  |  |

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- Definition Discount on redemption of preferred stock and warrant if company raises specified amount in restructured registered common stock offering. + References No definition available. + Details
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- Definition Preferred stock future dividend rate percentage. + References No definition available. + Details
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- Definition Redemption amount of preferred stock and warrant if company raises specified amount in restructured registered common stock offering. + References No definition available. + Details
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- Definition The per share liquidation preference (or restrictions) of nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) that has a preference in involuntary liquidation considerably in excess of the par or stated value of the shares. The liquidation preference is the difference between the preference in liquidation and the par or stated values of the share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph d -Article 4 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.(d)(1)) -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 02 -Paragraph 29 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 129 -Paragraph 4, 6 -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 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21484-112644 + Details
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