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Subsequent Events (Details Textual) (USD $) In Millions, except Per Share data, unless otherwise specified | 3 Months Ended | 1 Months Ended |  | 1 Months Ended |
--- | --- | --- | --- | --- | ---
Mar. 31, 2013 | Apr. 30, 2013 Subsequent Event [Member] | Apr. 18, 2013 Subsequent Event [Member] | Apr. 30, 2013 Subsequent Event [Member] Principal Stockholder [Member] | Apr. 01, 2013 Subsequent Event [Member] Principal Stockholder [Member]
Subsequent Events (Textual) [Abstract] |  |  |  |  |
Aggregate common stock shares to repurchase |  |  |  |  | 4
Initial aggregate shares repurchased |  |  |  | 2 |
Share price of treasury stock shares acquired |  |  |  |  | $ 4.02
Remaining common stock shares to be repurchased |  |  |  |  | 2
Declared dividend |  |  | $ 0.08 |  |
Dividend payment date |  | Jun. 17, 2013 |  |  |
Dividend record date | Mar. 14, 2013 | Jun. 03, 2013 |  |  |

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- Definition Date the declared dividend will be paid, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586 + Details
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- Definition The per share amount of a dividend declared, but not paid, as of the financial reporting date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 32 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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. + Details
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- Definition Date the holder must own the stock to be entitled to the dividend, in CCYY-MM-DD format. + References No definition available. + Details
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- Definition Number of shares that have been repurchased during the period and are being held in treasury. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 12 -Paragraph 10 -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 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 4: 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 + Details
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- Definition Aggregate common stock shares to repurchase. + References No definition available. + Details
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- Definition Remaining common stock shares to be repurchased. + References No definition available. + Details
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- Definition Share price of treasury stock shares acquired. + References No definition available. + Details
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- Details
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