Customer and Supplier Concentration (Details) - Customer Concentration Risk [Member] - item	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 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
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			10.00%		12.00%
Actavis, Inc. | Net Revenues
Revenue, Major Customer [Line Items]
Major Customers	16.00%	22.00%	19.00%	22.00%
AmerisourceBergen | Accounts Receivable
Revenue, Major Customer [Line Items]
Major Customers			13.00%		12.00%
AmerisourceBergen | Net Revenues
Revenue, Major Customer [Line Items]
Major Customers	19.00%	17.00%	19.00%	17.00%
Cardinal Health | Accounts Receivable
Revenue, Major Customer [Line Items]
Major Customers			23.00%		20.00%
Cardinal Health | Net Revenues
Revenue, Major Customer [Line Items]
Major Customers	19.00%	14.00%	20.00%	16.00%
MannKind Corporation | Accounts Receivable
Revenue, Major Customer [Line Items]
Major Customers			12.00%		13.00%
MannKind Corporation | Net Revenues
Revenue, Major Customer [Line Items]
Major Customers	5.00%	7.00%	4.00%	7.00%
McKesson | Accounts Receivable
Revenue, Major Customer [Line Items]
Major Customers			20.00%		21.00%
McKesson | Net Revenues
Revenue, Major Customer [Line Items]
Major Customers	21.00%	25.00%	20.00%	22.00%