Veritone, Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Business Combinations - Additional Information (Detail)

Business Combinations - Additional Information (Detail) $ / shares in Units, $ in Thousands							1 Months Ended				3 Months Ended				9 Months Ended
	Sep. 06, 2019 USD ($) shares	Jun. 06, 2019 USD ($) shares	Mar. 06, 2019 USD ($) shares	Sep. 06, 2018 USD ($) Interval shares	Aug. 31, 2018 USD ($) shares	Aug. 21, 2018 USD ($) shares	Sep. 30, 2019 USD ($) shares	Jul. 31, 2019 USD ($) shares	Jun. 30, 2019 shares	Mar. 31, 2019 USD ($) shares	Sep. 30, 2019 USD ($)	Jun. 30, 2019 USD ($) shares	Mar. 31, 2019 USD ($)	Sep. 30, 2018 USD ($)	Sep. 30, 2019 USD ($) shares	Sep. 30, 2018 USD ($)	Jan. 25, 2019 $ / shares
Business Acquisition [Line Items]
General and administrative											$ 11,905			$ 12,436	$ 35,239	$ 26,727
Performance Bridge [Member]
Business Acquisition [Line Items]
Business acquisition, effective date						Aug. 21, 2018
Business acquisition, initial consideration paid						$ 5,158
Business acquisition, contingent earn-out						3,909
Business acquisition, initial consideration cash paid						1,220
Business acquisition, cash consideration						$ 1,220
Escrow deposit closing, date						Aug. 21, 2020
Business acquisition, additional contingent consideration paid in cash												$ 883
General and administrative													$ 139
Aggregate purchase price paid						$ 8,962
Performance Bridge [Member] \| Common Stock [Member]
Business Acquisition [Line Items]
Business acquisition, shares issued or issuable, value						$ 3,938
Business acquisition, shares issued or issuable \| shares						349,072									580,713
Business acquisition initial consideration, additional shares issued \| shares						6,482
Business acquisition, closing price of common stock \| $ / shares																	$ 34
Business combination, common stock issued for contingent earn-out payments												$ 3,026
Business combination, common stock shares issued for contingent earn-out payments \| shares												574,231
Performance Bridge [Member] \| Escrow Deposit [Member]
Business Acquisition [Line Items]
Business acquisition, cash consideration						$ 120
Performance Bridge [Member] \| Escrow Deposit [Member] \| Common Stock [Member]
Business Acquisition [Line Items]
Business acquisition, shares issued or issuable \| shares						34,335
Wazee Digital Inc [Member]
Business Acquisition [Line Items]
Business acquisition, effective date					Aug. 31, 2018
Business acquisition, cash consideration					$ 7,423
Escrow deposit closing, date					Aug. 31, 2020
Aggregate purchase price paid					$ 12,552
Wazee Digital Inc [Member] \| Common Stock [Member]
Business Acquisition [Line Items]
Business acquisition, shares issued or issuable, value					$ 5,129
Business acquisition, shares issued or issuable \| shares					491,157
Wazee Digital Inc [Member] \| Escrow Deposit [Member]
Business Acquisition [Line Items]
Business acquisition, cash consideration					$ 925
Wazee Digital Inc [Member] \| Escrow Deposit [Member] \| Common Stock [Member]
Business Acquisition [Line Items]
Business acquisition, shares issued or issuable \| shares					60,576
Machine Box, Inc. [Member]
Business Acquisition [Line Items]
Business acquisition, effective date				Sep. 06, 2018
Business acquisition, contingent earn-out	$ 200	$ 200	$ 200	$ 2,989			$ 160	$ 160		$ 160	160		$ 160		$ 160
Business acquisition, cash consideration				$ 423
Escrow deposit closing, date				Sep. 06, 2020			Sep. 06, 2020	Sep. 06, 2020		Sep. 06, 2020
Aggregate purchase price paid				$ 1,484
Fair value of the contingent amount				$ 2,880
Compensation expense number of intervals \| Interval				3
Machine Box, Inc. [Member] \| Research and Development [Member]
Business Acquisition [Line Items]
Compensation expense											$ 160				$ 1,493
Machine Box, Inc. [Member] \| Common Stock [Member]
Business Acquisition [Line Items]
Business acquisition, shares issued or issuable, value	$ 701	$ 808	$ 880	$ 1,061
Business acquisition, shares issued or issuable \| shares	161,939	97,082	135,583	128,300
Business acquisition, additional shares issued or issuable \| shares							129,552		77,666	108,469					315,687
Machine Box, Inc. [Member] \| Escrow Deposit [Member] \| Common Stock [Member]
Business Acquisition [Line Items]
Business acquisition, cash consideration				$ 80			$ 40	$ 40		$ 40
Business acquisition, indemnification and other obligations, shares issued or issuable \| shares				26,981			32,387	19,416		27,114