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Revenues (Schedule of Net Product Revenues by Product) (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Revenue from External Customer [Line Items] |  |  |
Net product revenue | $ 32,478,185 | $ 33,013,184 | $ 36,683,762
Product, Acetadote |  |  |
Revenue from External Customer [Line Items] |  |  |
Net product revenue | 7,214,341 | 8,489,167 | 11,906,232
Product, Omeclamox-Pak |  |  |
Revenue from External Customer [Line Items] |  |  |
Net product revenue | 2,536,027 | 3,037,078 | 4,111,916
Product, Kristalose |  |  |
Revenue from External Customer [Line Items] |  |  |
Net product revenue | 15,898,760 | 15,733,327 | 14,932,271
Product, Vaprisol |  |  |
Revenue from External Customer [Line Items] |  |  |
Net product revenue | 1,857,838 | 2,641,484 | 3,011,997
Product, Caldolor |  |  |
Revenue from External Customer [Line Items] |  |  |
Net product revenue | 4,132,833 | 3,112,128 | 2,721,346
Product, Ethyol |  |  |
Revenue from External Customer [Line Items] |  |  |
Net product revenue | $ 838,386 | $ 0 | $ 0

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- Definition Aggregate revenue during the period from the sale of goods in the normal course of business, after deducting returns, allowances and discounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1(a)) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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