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

Quarterly report [Sections 13 or 15(d)]

Description of Business and Basis of Presentation - Going Concern, and Liquidity and Capital Resources (Details)

Description of Business and Basis of Presentation - Going Concern, and Liquidity and Capital Resources (Details) - USD ($)									3 Months Ended
	Apr. 27, 2026	Mar. 18, 2026	Mar. 04, 2026	Dec. 23, 2025	Dec. 22, 2025	Aug. 20, 2025	Aug. 19, 2025	Aug. 14, 2025	Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025	Dec. 08, 2025	Jun. 27, 2025	Apr. 07, 2025	Feb. 10, 2025	Jan. 07, 2025
Subsequent Event [Line Items]
Accumulated deficit									$ 505,141,000		$ 498,143,000
Cash and short-term investments									$ 16,600,000
Common stock, shares issued									26,216,822		24,607,630
Stock exercised									0	0
Common stock, par value									$ 0.00001		$ 0.00001		$ 0.00001
2025 Equipment Loan
Subsequent Event [Line Items]
Principal payments												$ 10,000,000
Common Stock [Member]
Subsequent Event [Line Items]
Stock exercised										31,397
Underwriting Agreement [Member]
Subsequent Event [Line Items]
Net proceeds from the offering							$ 17,800,000
Common stock, par value							$ 0.00001
Underwriting Agreement [Member] \| Subsequent Event
Subsequent Event [Line Items]
Underwriting discounts and commissions, and other estimated offering expenses payable	$ 3,000,000
Gross proceeds from issuance of common stock	$ 50,000,000
Sale of stock, price per share	$ 14
Common stock, par value	$ 0.00001
Underwriting Agreement [Member] \| Common Stock [Member]
Subsequent Event [Line Items]
Sale of stock, price per share							$ 3
Common stock issued							5,833,333
Common stock, par value							$ 0.00001
Offering price per share							$ 3
Underwriting Agreement [Member] \| Common Stock [Member] \| Subsequent Event
Subsequent Event [Line Items]
Common stock issued	3,571,428
Underwriting Agreement [Member] \| Common Stock [Member] \| Maximum
Subsequent Event [Line Items]
Additional shares							875,000
August 2025 Offering [Member]
Subsequent Event [Line Items]
Net proceeds from the offering						$ 17,800,000
Underwriting discounts and commissions, and other estimated offering expenses payable						2,300,000
Gross proceeds from issuance of common stock						20,100,000
Commons stock value						$ 17,500,000
August 2025 Offering [Member] \| Common Stock [Member]
Subsequent Event [Line Items]
Common stock issued						5,833,333
Stock exercised						875,000
Private Placement [Member]
Subsequent Event [Line Items]
Gross proceeds from issuance of common stock				$ 30,000,000
Stock issuance cost				$ 2,000,000
Private Placement [Member] \| Common Stock [Member]
Subsequent Event [Line Items]
Sale of stock, price per share					$ 8.25
Common stock issued					3,636,363
Common stock, par value					$ 0.00001
Senior Secured Convertible Promissory Note
Subsequent Event [Line Items]
Debt instrument, face amount															$ 10,000,000	$ 5,000,000
Secured notes bear interest rate															30.00%	60.00%
Note payable amount														$ 5,750,000	$ 5,750,000
Conversion price															$ 15
Senior Secured Convertible Promissory Note \| Tranche One
Subsequent Event [Line Items]
Debt instrument, face amount															$ 5,000,000
Senior Secured Convertible Promissory Note \| Tranche Two
Subsequent Event [Line Items]
Debt instrument, face amount															$ 5,000,000
Senior Secured Convertible Promissory Note \| Arrayed Notes Acquisition Corp
Subsequent Event [Line Items]
Common stock, shares issued			394,517
Accrued and unpaid interest			$ 1,500,000
Debt instrument, face amount			$ 5,000,000
Conversion price			$ 16.38
Senior Secured Convertible Promissory Note \| Thieneman Construction Inc
Subsequent Event [Line Items]
Common stock, shares issued			1,145,830
Accrued and unpaid interest			$ 2,000,000
Debt instrument, face amount			$ 10,000,000
Conversion price			$ 10.5
January Note
Subsequent Event [Line Items]
Maturity date								Feb. 14, 2027
Conversion price								$ 16.38
Reductions of interest rate percentage								12.00%
February Note
Subsequent Event [Line Items]
Maturity date								Feb. 14, 2027
Conversion price								$ 10.5
Reductions of interest rate percentage								12.00%
Secured Note due 2026
Subsequent Event [Line Items]
Accrued and unpaid interest		$ 300,000
Repaid of principal and accrued interest		$ 3,000,000