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Stock Options (Details) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2015 | Sep. 30, 2014 | Sep. 30, 2015 | Sep. 30, 2014
Stock-based compensation | $ 334,593 | $ 227,553 | $ 1,031,218 | $ 701,697
Total future stock compensation expense related to nonvested awards | $ 2,046,000 |  | $ 2,046,000 |
Stock Options |  |  |  |
Stock options granted (in shares) |  |  | 376,000 |
Stock Options, Contingent Upon Certain Future Events [Member] |  |  |  |
Stock options granted (in shares) | 108,000 |  |  |
Stock-based compensation | $ 0 |  |  |

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- Definition Unrecognized cost of unvested share-based compensation awards. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 + Details
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- Definition Gross number of share options (or share units) granted during the period. + References No definition available. + Details
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