Fair Value - Summary of Assets Measured at Fair Value on Recurring Basis (Detail) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Assets measured at fair value
Cash and cash equivalents	$ 21,816	$ 9,598
Restricted cash	925	969
Total Assets measured at fair value	22,741	10,567
Liabilities measured at fair value
Contingent consideration	2,140	1,084
Warrant liabilities	73	2,388
Total liabilities measured at fair value	2,213	3,472
Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets measured at fair value
Cash and cash equivalents	21,816	9,598
Restricted cash	925	969
Total Assets measured at fair value	22,741	10,567
Significant Unobservable Inputs (Level 3)
Liabilities measured at fair value
Contingent consideration	2,140	1,084
Warrant liabilities	73	2,388
Total liabilities measured at fair value	$ 2,213	$ 3,472