Customer and Supplier Concentration (Details) - Customer Concentration Risk [Member] - item	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Revenue, Major Customer [Line Items]
Number of major customers that are wholesale distributors			3
Accounts receivable
Revenue, Major Customer [Line Items]
Number of major customers	5	5	5	5	5
Net Revenues
Revenue, Major Customer [Line Items]
Number of major customers	5	5	5	5	5
Actavis, Inc. | Accounts receivable
Revenue, Major Customer [Line Items]
Major Customers			8.00%		12.00%
Actavis, Inc. | Net Revenues
Revenue, Major Customer [Line Items]
Major Customers	18.00%	21.00%	20.00%	22.00%
AmerisourceBergen | Accounts receivable
Revenue, Major Customer [Line Items]
Major Customers			12.00%		12.00%
AmerisourceBergen | Net Revenues
Revenue, Major Customer [Line Items]
Major Customers	20.00%	18.00%	19.00%	17.00%
Cardinal Health | Accounts receivable
Revenue, Major Customer [Line Items]
Major Customers			19.00%		20.00%
Cardinal Health | Net Revenues
Revenue, Major Customer [Line Items]
Major Customers	20.00%	17.00%	20.00%	17.00%
MannKind Corporation | Accounts receivable
Revenue, Major Customer [Line Items]
Major Customers			17.00%		13.00%
MannKind Corporation | Net Revenues
Revenue, Major Customer [Line Items]
Major Customers	6.00%	5.00%	3.00%	8.00%
McKesson | Accounts receivable
Revenue, Major Customer [Line Items]
Major Customers			18.00%		21.00%
McKesson | Net Revenues
Revenue, Major Customer [Line Items]
Major Customers	19.00%	23.00%	20.00%	21.00%