Quarterly report pursuant to Section 13 or 15(d)

Revenues - Percentage by Customer (Details)

v3.19.1
Revenues - Percentage by Customer (Details) - Sales - Customer concentration risk
3 Months Ended
Mar. 31, 2019
Grifols  
Disaggregation of Revenue [Line Items]  
Percentage 36.00%
ASD Healthcare and Oncology Supply  
Disaggregation of Revenue [Line Items]  
Percentage 33.00%
McKesson Specialty Care Distribution Corporation  
Disaggregation of Revenue [Line Items]  
Percentage 24.00%