Annual report pursuant to Section 13 and 15(d)

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

v3.6.0.2
Revenue and Accounts Receivable - Schedule of Revenue by Service Type (Detail) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2015
Dec. 31, 2016
Dec. 31, 2015
Health Care Organization, Receivable and Revenue Disclosures [Line Items]      
Revenue   $ 27,049 $ 18,040
Biopharma Services      
Health Care Organization, Receivable and Revenue Disclosures [Line Items]      
Revenue   15,321 11,564
Clinical Services      
Health Care Organization, Receivable and Revenue Disclosures [Line Items]      
Revenue   10,651 5,651
Discovery Services      
Health Care Organization, Receivable and Revenue Disclosures [Line Items]      
Revenue   1,077 $ 825
Response Genetics | Biopharma Services      
Health Care Organization, Receivable and Revenue Disclosures [Line Items]      
Revenue $ 486 2,085  
Response Genetics | Clinical Services      
Health Care Organization, Receivable and Revenue Disclosures [Line Items]      
Revenue $ 1,265 $ 6,190