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Significant Customers and Concentration of Credit Risk (Details)
12 Months Ended
Dec. 31, 2015
products
dosing_strength
Dec. 31, 2014
Concentration Risk [Line Items]    
Number of commercial products | products 1  
Number of dosing strengths | dosing_strength 6  
Customer Concentration Risk [Member] | Sales Revenue, Product Line [Member] | Customer A [Member]    
Concentration Risk [Line Items]    
Concentration risk percentage 43.00% 25.00%
Customer Concentration Risk [Member] | Sales Revenue, Product Line [Member] | Customer B [Member]    
Concentration Risk [Line Items]    
Concentration risk percentage 18.00% 6.00%
Customer Concentration Risk [Member] | Sales Revenue, Product Line [Member] | Customer C [Member]    
Concentration Risk [Line Items]    
Concentration risk percentage 14.00% 26.00%
Customer Concentration Risk [Member] | Sales Revenue, Product Line [Member] | Customer D [Member]    
Concentration Risk [Line Items]    
Concentration risk percentage 11.00% 34.00%
Customer Concentration Risk [Member] | Accounts Receivable [Member] | Customer A [Member]    
Concentration Risk [Line Items]    
Concentration risk percentage 24.00% 25.00%
Customer Concentration Risk [Member] | Accounts Receivable [Member] | Customer B [Member]    
Concentration Risk [Line Items]    
Concentration risk percentage 31.00% 1.00%
Customer Concentration Risk [Member] | Accounts Receivable [Member] | Customer C [Member]    
Concentration Risk [Line Items]    
Concentration risk percentage 16.00% 11.00%
Customer Concentration Risk [Member] | Accounts Receivable [Member] | Customer D [Member]    
Concentration Risk [Line Items]    
Concentration risk percentage 21.00% 54.00%