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Warrants (Number of Warrants, Exercise Price, Aggregate Proceeds of Warrants If Exercised) (Details) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Mar. 31, 2016 | Sep. 30, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Shares, Balance at December 31, 2015 | 1,209,649 | 1,209,649
Shares, Issuances |  | 1,233,830
Shares, Balance at September 30, 2016 |  | 2,443,479
Aggregate proceeds if exercised |  | $ 14,344,664
Weighted Average Exercise Price, Outstanding at December 31, 2015 | $ 8.19 | $ 8.19
Weighted Average Exercise Price, Issuances |  | 3.59
Weighted Average Exercise Price, Outstanding at September 30, 2016 |  | $ 5.87
Range 2.25 [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Shares, Balance at December 31, 2015 |  |
Shares, Issuances |  | 1,063,830
Shares, Exercises |  |
Shares, Balance at September 30, 2016 |  | 1,063,830
Aggregate proceeds if exercised |  | $ 2,393,618
Weighted Average Exercise Price, Issuances |  | $ 2.25
Weighted Average Exercise Price, Exercises |  |
Weighted Average Exercise Price, Outstanding at September 30, 2016 |  | $ 2.25
Range 4.05 - 8.25 [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Shares, Balance at December 31, 2015 | 694,062 | 694,062
Shares, Exercises |  |
Shares, Balance at September 30, 2016 |  | 694,062
Aggregate proceeds if exercised |  | $ 4,036,474
Weighted Average Exercise Price, Outstanding at December 31, 2015 | $ 5.82 | $ 5.82
Weighted Average Exercise Price, Exercises |  |
Weighted Average Exercise Price, Outstanding at September 30, 2016 |  | $ 5.82
Range 10.75 - 23.00 [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Shares, Balance at December 31, 2015 | 515,587 | 515,587
Shares, Issuances |  | 170,000
Shares, Balance at September 30, 2016 |  | 685,587
Aggregate proceeds if exercised |  | $ 7,914,572
Weighted Average Exercise Price, Outstanding at December 31, 2015 | $ 11.39 | $ 11.39
Weighted Average Exercise Price, Issuances |  | 12.00
Weighted Average Exercise Price, Outstanding at September 30, 2016 |  | $ 11.54

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- Definition Exercise price per share or per unit 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=26873400&loc=d3e23780-122690 + Details
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