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

Quarterly report pursuant to Section 13 or 15(d)

Description of Business and Basis of Presentation - Additional Information (Detail)

Description of Business and Basis of Presentation - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands		1 Months Ended				9 Months Ended
	May 17, 2017	May 31, 2017	Mar. 31, 2017	Aug. 31, 2016	Jun. 30, 2016	Sep. 30, 2017	May 16, 2017	Dec. 31, 2016
Organization [Line Items]
Common stock issued						12,335,519
Proceeds from issuance of common stock						$ 32,580
Net book value								$ 23,350
Cash proceeds from exercise of warrants						$ 29,263
Warrants to purchase common stock						1,524,573
Warrants maturity period					10 years	4 years
Warrant exercise price					$ 8.0833
Bridge Loan [Member]
Organization [Line Items]
Accrued interest	$ 45
Warrants to purchase common stock	313,440						240,000
Fully diluted shares outstanding percentage	1.50%
Shares converted to common stock	590,717
Series B Redeemable Convertible Preferred Stock [Member]
Organization [Line Items]
Liquidation preference value	$ 18,668
Net book value	$ 18,463							17,897
Shares converted to common stock	2,309,135					2,309,135
Series A Redeemable Convertible Preferred Stock [Member]
Organization [Line Items]
Liquidation preference value	$ 8,598
Net book value	$ 6,272							$ 5,453
Shares converted to common stock	2,922,798					2,922,798
Initial Public Offering [Member]
Organization [Line Items]
Common stock issued	2,500,000					2,500,000
Common stock price per share	$ 15.00
Proceeds from issuance of common stock	$ 32,580
Underwriting discounts, commissions and offering costs	$ 4,920
Warrants to purchase common stock	809,400		809,400
Warrants maturity period	5 years		5 years
Warrant exercise price			$ 13.6088
Convertible Notes Payable [Member] \| Initial Public Offering [Member]
Organization [Line Items]
Warrants to purchase common stock	154,311		154,311
Maximum [Member] \| Initial Public Offering [Member]
Organization [Line Items]
Warrants to purchase common stock	51,437		51,437
Acacia [Member] \| Bridge Loan [Member]
Organization [Line Items]
Common stock issued	90,000
Debt instrument principal balance	$ 8,000
Borrowing under line of credit	$ 4,000
Warrants to purchase common stock	120,000
Fully diluted shares outstanding percentage	0.75%
Warrants maturity period	10 years
Acacia [Member] \| Initial Public Offering [Member]
Organization [Line Items]
Warrants to purchase common stock	809,400	809,400
Warrants maturity period	5 years	5 years
Warrant exercise price	$ 13.6088
Acacia [Member] \| Convertible Notes Payable [Member]
Organization [Line Items]
Shares converted to common stock	1,523,746			1,523,746		1,523,746
Debt instrument principal balance	$ 20,000			$ 20,000
Accrued interest	$ 737
Warrants maturity period				5 years
Warrant exercise price				$ 13.6088
Acacia [Member] \| Primary Warrant [Member]
Organization [Line Items]
Issuance of stock due to warrants exercise	2,150,335		2,150,335			2,150,335
Cash proceeds from exercise of warrants	$ 29,263		$ 29,263
Acacia [Member] \| Maximum [Member] \| Bridge Loan [Member]
Organization [Line Items]
Warrant exercise price	$ 13.6088
Acacia [Member] \| Maximum [Member] \| Convertible Notes Payable [Member]
Organization [Line Items]
Warrant exercise price			$ 13.6088
Acacia [Member] \| Maximum [Member] \| Primary Warrant [Member]
Organization [Line Items]
Warrant exercise price			$ 13.7323