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Restructuring - Narrative (Details) - USD ($) | 3 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Dec. 31, 2013 | Dec. 31, 2014 | Jun. 30, 2015 | Nov. 02, 2013
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring Reserve |  |  |  | $ 1,332,186
Non-cash stock-based compensation expense | $ 800,000 |  |  |
Accrued restructuring charges |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring Reserve | $ 955,821 | $ 955,821 | $ 0 |
Restructuring Charges | Stock Compensation, Restructuring |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Non-cash stock-based compensation expense |  | $ 376,365 |  |

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- Definition Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section P -Subsection 3, 4 + Details
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