Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

Intangible Assets - Additional Information (Detail)

v3.8.0.1
Intangible Assets - Additional Information (Detail) - USD ($)
1 Months Ended 12 Months Ended
Jul. 08, 2014
Aug. 31, 2017
Dec. 31, 2015
Dec. 31, 2017
Dec. 31, 2016
Finite Lived Intangible Assets [Line Items]          
Impairment loss       $ 253,000 $ 3,464,000
Loss on sale of business       (1,058,000)  
Milestone payments       $ 0  
Health Discovery Corporation [Member]          
Finite Lived Intangible Assets [Line Items]          
Impairment loss         1,902,000
Clarient [Member]          
Finite Lived Intangible Assets [Line Items]          
Acquired intangible assets     $ 84,000,000    
Path Logic [Member]          
Finite Lived Intangible Assets [Line Items]          
Loss on sale of business   $ 1,100,000      
Restricted Stock [Member] | Ascend Genomics [Member]          
Finite Lived Intangible Assets [Line Items]          
Stock issued during period, shares   450,000      
Customer Relationships [Member] | Ascend Genomics [Member]          
Finite Lived Intangible Assets [Line Items]          
Acquired intangible assets   $ 4,100,000      
Intangible asset amortization period   15 years      
Customer Relationships [Member] | Clarient [Member]          
Finite Lived Intangible Assets [Line Items]          
Intangible asset amortization period     15 years    
Acquired intangible assets     $ 81,000,000    
Customer Relationships [Member] | Path Logic [Member]          
Finite Lived Intangible Assets [Line Items]          
Intangible asset amortization period 13 years        
Acquired intangible assets $ 1,930,000        
Impairment loss         $ 1,562,000
Non-Compete Agreement [Member] | Ascend Genomics [Member]          
Finite Lived Intangible Assets [Line Items]          
Intangible asset amortization period   2 years      
Trade Names [Member] | Clarient [Member]          
Finite Lived Intangible Assets [Line Items]          
Intangible asset amortization period     2 years    
Acquired intangible assets     $ 3,000,000