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Equity and Convertible Debentures Financing - Repurchase of Securities (Details) - USD ($) | 1 Months Ended | 3 Months Ended |
--- | --- | --- | ---
Jun. 30, 2015 | May. 31, 2015 | Apr. 30, 2015 | Jun. 30, 2015 | Mar. 31, 2015 | Dec. 31, 2014 | Sep. 18, 2013
Equity [Abstract] |  |  |  |  |  |  |
Stock Repurchase Program, Authorized Amount |  |  |  |  |  |  | $ 350,000.00
($ in thousands) Value of Shares that May Yet Be Purchased Under the Plan or Program | $ 77,000 | $ 77,000 | $ 77,000 | $ 77,000 | $ 85,000 | $ 256,000 |
Shares purchased (in shares) | 0 | 0 | 3,907.00 | 3,907.000 | 76,600 | 1,353 |
Average Price Paid Per Share | $ 0.00 | $ 0.00 | $ 2.03 | $ 2.03 | $ 2.25 | $ 1.98 |

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- Definition Amount of stock repurchase plan authorized. + References No definition available. + Details
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- Definition Amount remaining of a stock repurchase plan authorized. + References No definition available. + Details
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- Definition Total cost of shares repurchased divided by the total number of shares repurchased. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 + Details
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