Velo3D, Inc. Quarterly report [Sections 13 or 15(d)]

Fair Value Measurements - Changes in Fair Value of Level 3 Financial Instruments (Details)

Fair Value Measurements - Changes in Fair Value of Level 3 Financial Instruments (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2026	Mar. 31, 2026	Jun. 30, 2025	Mar. 31, 2025
Warrant liabilities \| 2022 Private Placement Warrants
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value, Beginning Balance	$ 2	$ 2		$ 1
Change in fair value	(0)	(0)	$ (0)	(1)
Change due to exchange/conversion	0	0		0
Fair value, Ending Balance	2	2	0
Warrant liabilities \| RDO Warrants [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value, Beginning Balance				90
Change in fair value			0	55
Change due to exchange/conversion				(145)
Fair value, Ending Balance			0
Warrant liabilities \| Placement Agent Warrants [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value, Beginning Balance	29	29	3	16
Change in fair value	10	0	(0)	(13)
Change due to exchange/conversion	0	0		0
Fair value, Ending Balance	39	29	3	3
Warrant liabilities \| 2024 Private Warrants
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value, Beginning Balance				2
Change in fair value			(0)	(1)
Change due to exchange/conversion				(1)
Fair value, Ending Balance			0
Warrant liabilities \| BEPO Warrants
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value, Beginning Balance	48	48	6	378
Change in fair value	19	0	0	176
Change due to exchange/conversion		(0)		(548)
Fair value, Ending Balance	67	48	6	6
Warrant liabilities \| BEPO Agent Warrants
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value, Beginning Balance	30	30	4	18
Change in fair value	(12)	(0)	(0)	(14)
Change due to exchange/conversion	(0)	(0)
Fair value, Ending Balance	42	30	4	4
Warrant liabilities \| Customer Liabilities - Non Cash Consideration
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value, Beginning Balance	0	1,158
Change in fair value		(0)
Change due to exchange/conversion	(0)	(1,158)
Fair value, Ending Balance	0	0
Warrant liabilities \| July 2024 Private Warrants
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value, Beginning Balance				866
Change in fair value			0	440
Change due to exchange/conversion				(1,306)
Fair value, Ending Balance			0
Warrant liabilities \| August Inducement Warrants
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value, Beginning Balance				796
Change in fair value			0	402
Change due to exchange/conversion				(1,198)
Fair value, Ending Balance			0
Contingent Earnout Liability [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value, Beginning Balance	1	1	11	11
Change in fair value		(0)	0	0
Change due to exchange/conversion	(0)	(0)		(0)
Fair value, Ending Balance	$ 1	$ 1	$ 11	$ 11