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Revenues (Schedule of Net Product Revenues by Product) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Revenue from External Customer [Line Items]
Revenues	$ 40,200,832	$ 40,376,563	$ 32,478,185
Acetadote
Revenue from External Customer [Line Items]
Revenues	4,284,111	6,576,720	7,214,341
Omeclamox-Pak
Revenue from External Customer [Line Items]
Revenues	623,297	1,761,868	2,536,027
Kristalose
Revenue from External Customer [Line Items]
Revenues	12,055,625	11,455,805	15,898,760
Vaprisol
Revenue from External Customer [Line Items]
Revenues	1,763,874	1,576,222	1,857,838
Caldolor
Revenue from External Customer [Line Items]
Revenues	5,001,997	4,178,443	4,132,833
Ethyol
Revenue from External Customer [Line Items]
Revenues	10,545,906	10,835,038	838,386
Totect
Revenue from External Customer [Line Items]
Revenues	850,965	3,992,467	0
Vibativ
Revenue from External Customer [Line Items]
Revenues	$ 5,075,057	$ 0	$ 0

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- Definition

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+ References

No definition available.

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- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130543-203045

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130539-203045

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130545-203045

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