Datavault AI Inc. Annual report [Section 13 and 15(d), not S-K Item 405]

Annual report [Section 13 and 15(d), not S-K Item 405]

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Business and Summary of Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Convertible Redeemable Preferred Stock and Stockholders' Equity - February 2025 Registered Direct Transaction (Details)

v3.26.1

Convertible Redeemable Preferred Stock and Stockholders' Equity - February 2025 Registered Direct Transaction (Details) $ / shares in Units, $ in Millions	Feb. 24, 2025 shares	Feb. 14, 2025 USD ($) Y $ / shares shares	Dec. 29, 2025 $ / shares
Convertible Redeemable Preferred Stock and Stockholders' Equity
Warrants exercise price (in dollar per share)			$ 5
February 2025 Offering
Convertible Redeemable Preferred Stock and Stockholders' Equity
Aggregate share issued \| shares	4,757,126	4,757,126
Warrants exercise price (in dollar per share)		$ 1.14
Proceeds from offering, net of issuance costs \| $		$ 5.4
Fair value of warrant \| $		$ 5.3
February 2025 Offering \| Stock price (in dollar per share)
Convertible Redeemable Preferred Stock and Stockholders' Equity
Measurement input		1.22
February 2025 Offering \| Expected yield
Convertible Redeemable Preferred Stock and Stockholders' Equity
Measurement input		0
February 2025 Offering \| Expected volatility
Convertible Redeemable Preferred Stock and Stockholders' Equity
Measurement input		1.434
February 2025 Offering \| Risk-free interest rate
Convertible Redeemable Preferred Stock and Stockholders' Equity
Measurement input		0.043
February 2025 Offering \| Expected life (in years)
Convertible Redeemable Preferred Stock and Stockholders' Equity
Measurement input \| Y		5

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