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

Quarterly report pursuant to Section 13 or 15(d)

Convertible Notes Payable and Related Transactions - Additional Information (Detail)

Convertible Notes Payable and Related Transactions - Additional Information (Detail) - USD ($)				1 Months Ended				3 Months Ended			9 Months Ended
	May 17, 2017	Apr. 30, 2017	Mar. 31, 2017	May 31, 2017	Mar. 31, 2017	Aug. 31, 2016	Jun. 30, 2016	Jun. 30, 2017	Mar. 31, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	May 16, 2017	Dec. 31, 2016
Debt Instrument [Line Items]
Warrant exercise price							$ 8.0833
Change in fair value of warrants										$ (117,000)	$ (7,114,000)	$ (117,000)
Cash proceeds from exercise of warrants											$ 29,263,000
Warrants to purchase common stock											1,524,573
Warrants maturity period							10 years				4 years
Fair market value of warrants														$ 7,114,000
Common stock issued											12,335,519
Debt discounts associated with stock warrants														$ 6,793,000
Issuance of warrants											$ 8,658,000
Initial Public Offering [Member]
Debt Instrument [Line Items]
Warrant exercise price			$ 13.6088		$ 13.6088				$ 13.6088
Warrants to purchase common stock	809,400		809,400		809,400				809,400
Warrants maturity period	5 years				5 years
Percentage of warrant exercise	10.00%				10.00%
Warrant vesting period											Fifty percent of the shares underlying the 10% Warrant vesting as of the issuance date of the 10% Warrant and the remaining fifty percent of the shares vesting on the first anniversary of the issuance date of the 10% Warrant.
Common stock issued	2,500,000										2,500,000
Issuance of common stock											$ 32,580,000
Vested Upon Issuance [Member] \| Initial Public Offering [Member]
Debt Instrument [Line Items]
Warrant vesting percentage	50.00%				50.00%
Convertible Notes Payable [Member] \| Initial Public Offering [Member]
Debt Instrument [Line Items]
Warrants to purchase common stock	154,311		154,311		154,311				154,311
Bridge Loan [Member]
Debt Instrument [Line Items]
Borrowing under line of credit					$ 2,000,000
Common stock issued					90,000
Shares converted to common stock											590,717
Issuance of common stock											$ 3,666,000
Note Purchase Agreement [Member]
Debt Instrument [Line Items]
Common stock issued					120,000
VLOC, LLC [Member]
Debt Instrument [Line Items]
Warrants to purchase common stock											313,440
VLOC, LLC [Member] \| Bridge Loan [Member]
Debt Instrument [Line Items]
Warrant exercise price	$ 13.6088										$ 13.6088
Warrants to purchase common stock	313,440										313,440
Warrants maturity period	10 years										10 years
VLOC, LLC [Member] \| Note Purchase Agreement [Member]
Debt Instrument [Line Items]
Warrants maturity period									10 years
Common stock issued					120,000
VLOC, LLC [Member] \| Note Purchase Agreement [Member] \| Bridge Loan [Member]
Debt Instrument [Line Items]
Debt instrument principal balance	$ 8,000,000
Accrued interest	$ 45,000
Conversion price per share	$ 13.6088
Warrants to purchase common stock	313,440												240,000
Borrowing under line of credit	$ 4,000,000
Additional common stock issued	180,000
Fully diluted shares outstanding percentage	1.50%
Warrants issued											$ 0
Shares converted to common stock	590,717
Debt discounts associated with stock warrants	$ 2,915,000
Issuance of common stock	1,100,000
Issuance of warrants	$ 1,770,000
VLOC, LLC [Member] \| Note Purchase Agreement [Member] \| Chad Steelberg and Ryan Steelberg [Member]
Debt Instrument [Line Items]
Ownership percentage	50.00%										50.00%
Primary Warrant [Member] \| Initial Public Offering [Member]
Debt Instrument [Line Items]
Gain on exercise of warrants charged to other Income (expense)								$ 3,996,000
Maximum [Member] \| Initial Public Offering [Member]
Debt Instrument [Line Items]
Warrants to purchase common stock	51,437		51,437		51,437				51,437
Maximum [Member] \| VLOC, LLC [Member] \| Note Purchase Agreement [Member]
Debt Instrument [Line Items]
Warrant exercise price	$ 13.6088
Acacia [Member] \| Initial Public Offering [Member]
Debt Instrument [Line Items]
Warrant exercise price	$ 13.6088
Warrants to purchase common stock	809,400			809,400
Warrants maturity period	5 years			5 years
Percentage of warrant exercise	10.00%			10.00%
Warrant vesting period											Fifty percent of the shares under the 10% Warrant vested upon its issuance and the remaining half will vest in May 2018.
Fair market value of warrants	$ 5,790,000			$ 5,790,000
Acacia [Member] \| Vested Upon Issuance [Member] \| Initial Public Offering [Member]
Debt Instrument [Line Items]
Warrant vesting percentage	50.00%
Acacia [Member] \| Convertible Notes Payable [Member]
Debt Instrument [Line Items]
Convertible note payable, public offering gross proceeds for automatic conversion					$ 15,000,000
Warrant exercise price						$ 13.6088
Debt instrument principal balance	$ 20,000,000					$ 20,000,000
Accrued interest	$ 737,000
Shares converted to common stock	1,523,746					1,523,746					1,523,746
Conversion price per share	$ 13.6088
Write off of unamortized balance of debt discounts associated with stock warrants	$ 4,347,000
Warrants maturity period						5 years
Acacia [Member] \| Bridge Loan [Member]
Debt Instrument [Line Items]
Debt instrument principal balance			$ 8,000,000		$ 8,000,000				$ 8,000,000
Conversion price per share			$ 13.6088		$ 13.6088				$ 13.6088
Warrants maturity period		10 years
Line of credit maximum borrowing capacity			$ 8,000,000		$ 8,000,000				$ 8,000,000
Line of credit, interest rate					8.00%
Line of credit, borrowing description									The Company borrowed the initial $2,000 installment under the Bridge Loan in March 2017, and borrowed the second $2,000 installment in April 2017. Prior to the completion of the IPO, the Lenders exercised their options to advance the remaining $4,000 remaining available under the Bridge Loan.
Borrowing under line of credit		$ 2,000,000			$ 2,000,000				$ 4,000,000
Common stock issued					120,000				180,000
Shares converted to common stock			590,717
Acacia [Member] \| VLOC, LLC [Member] \| Note Purchase Agreement [Member]
Debt Instrument [Line Items]
Line of credit maximum borrowing capacity			$ 8,000,000		$ 8,000,000				$ 8,000,000
Line of credit, interest rate					8.00%
Line of credit, maturity date					Nov. 25, 2017
Line of credit, borrowing description											The Company drew down the initial $2,000 installment under the Bridge Loan upon the execution of the Note Purchase Agreement. In April 2017, the Company borrowed an additional $2,000 under the Bridge Loan. In May 2017, the Bridge Loan Lenders funded the remaining undrawn amounts of $4,000 under the Bridge Loan, which increased the outstanding principal balance of the Bridge Loan to $8,000.
Acacia [Member] \| VLOC, LLC [Member] \| Note Purchase Agreement [Member] \| Bridge Loan [Member]
Debt Instrument [Line Items]
Debt instrument principal balance				8,000,000
Borrowing under line of credit		$ 2,000,000		$ 4,000,000	$ 2,000,000
Acacia [Member] \| Primary Warrant [Member]
Debt Instrument [Line Items]
Issuance of stock due to warrants exercise	2,150,335		2,150,335		2,150,335				2,150,335		2,150,335
Cash proceeds from exercise of warrants	$ 29,263,000				$ 29,263,000
Acacia [Member] \| Primary Warrant [Member] \| Convertible Notes Payable [Member]
Debt Instrument [Line Items]
Change in fair value of warrants					$ 3,118,000
Acacia [Member] \| Maximum [Member] \| Convertible Notes Payable [Member]
Debt Instrument [Line Items]
Warrant exercise price			$ 13.6088		$ 13.6088				$ 13.6088
Acacia [Member] \| Maximum [Member] \| Primary Warrant [Member]
Debt Instrument [Line Items]
Warrant exercise price			$ 13.7323		$ 13.7323				$ 13.7323
Conversion price per share	$ 13.6088