Summary of Significant Accounting Policies - Summary of Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation (Detail) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2020
Summary Of Significant Accounting Policies [Line Items]
Change in fair value	$ (635)	$ 1,584
Fair Value, Inputs, Level 3 [Member]
Summary Of Significant Accounting Policies [Line Items]
Beginning Balance, December 31, 2019		22,819
Payment of contingent consideration		(2,619)
Issuance of preferred stock for contingent consideration		(2,197)
Change in fair value		288
Ending Balance, June 30, 2020	18,291	18,291
Common and Preferred Stock Warrant Liability [Member] | Fair Value, Inputs, Level 3 [Member]
Summary Of Significant Accounting Policies [Line Items]
Beginning Balance, December 31, 2019		8,919
Change in fair value		1,872
Ending Balance, June 30, 2020	10,791	10,791
Contingent Consideration [Member] | Fair Value, Inputs, Level 3 [Member]
Summary Of Significant Accounting Policies [Line Items]
Beginning Balance, December 31, 2019		13,900
Payment of contingent consideration		(2,619)
Issuance of preferred stock for contingent consideration		(2,197)
Change in fair value		(1,584)
Ending Balance, June 30, 2020	$ 7,500	$ 7,500