Quarterly report pursuant to Section 13 or 15(d)

Revenue and Accounts Receivable - Schedule of Revenue by Service Type (Details)

v3.8.0.1
Revenue and Accounts Receivable - Schedule of Revenue by Service Type (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Health Care Organization, Receivable and Revenue Disclosures [Line Items]    
Revenue $ 7,667 $ 6,966
Biopharma Services    
Health Care Organization, Receivable and Revenue Disclosures [Line Items]    
Revenue 3,658 3,719
Clinical Services    
Health Care Organization, Receivable and Revenue Disclosures [Line Items]    
Revenue 2,342 2,954
Discovery Services    
Health Care Organization, Receivable and Revenue Disclosures [Line Items]    
Revenue $ 1,667 $ 293