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Revenues (Schedule of Net Product Revenues by Product) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Revenue from External Customer [Line Items]
Net product revenue	$ 40,376,563	$ 32,478,185	$ 33,013,184
Product, Acetadote
Revenue from External Customer [Line Items]
Net product revenue	6,576,720	7,214,341	8,489,167
Product, Omeclamox-Pak
Revenue from External Customer [Line Items]
Net product revenue	1,761,868	2,536,027	3,037,078
Product, Kristalose
Revenue from External Customer [Line Items]
Net product revenue	11,455,805	15,898,760	15,733,327
Product, Vaprisol
Revenue from External Customer [Line Items]
Net product revenue	1,576,222	1,857,838	2,641,484
Product, Caldolor
Revenue from External Customer [Line Items]
Net product revenue	4,178,443	4,132,833	3,112,128
Product, Ethyol
Revenue from External Customer [Line Items]
Net product revenue	10,835,038	838,386	0
Product, Totect
Revenue from External Customer [Line Items]
Net product revenue	$ 3,992,467	$ 0	$ 0

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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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=63488584&loc=d3e20235-122688

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