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Fair Value - Change in Fair Value for All Assets and Liabilities Using Unobservable Level 3 Inputs As Determined By Level 3 Inputs (Detail)
$ in Thousands
3 Months Ended
Mar. 31, 2020
USD ($)
Common Stock Warrants  
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]  
Beginning balance $ 2,388
Exchange of warrants (2,470)
Change in fair value 155
Current portion 0
Long-term portion 73
Ending balance 73
Contingent Consideration  
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]  
Beginning balance 1,084
Exchange of warrants 0
Change in fair value 1,056
Current portion 72
Long-term portion 2,068
Ending balance $ 2,140