XML 79 R61.htm IDEA: XBRL DOCUMENT v3.8.0.1
Fair Value - Change in Fair Value for All Assets and Liabilities Using Unobservable Level 3 Inputs As Determined By Level 3 Inputs (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Common Stock Warrants [Member]      
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]      
Issuance of warrants $ 8,715    
Exercise of warrants (78,359)    
Change in fair value 83,734    
Long-term portion 14,090    
Ending balance 14,090    
Contingent Consideration [Member]      
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]      
Beginning balance 22,800 $ 23,500  
Additions for contingent consideration     $ 23,900
Issuance of common stock in exchange for contingent consideration (5,227)    
Payment for contingent consideration (7,181)    
Exercise of warrants   (1,182)  
Change in fair value 2,026 482 (400)
Current portion 719    
Long-term portion 11,699    
Ending balance $ 12,418 $ 22,800 $ 23,500