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v3.25.2

Reverse Merger (Details) $ / shares in Units, $ in Thousands |  |  |  | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Aug. 31, 2024 shares | Aug. 14, 2024 USD ($) shares | Aug. 13, 2024 USD ($) $ / shares shares | Dec. 31, 2024 USD ($) $ / shares shares | Dec. 31, 2023 USD ($) $ / shares shares | Jun. 30, 2025 $ / shares shares | Feb. 13, 2025 USD ($) | Jun. 30, 2024 USD ($) | Feb. 29, 2024 USD ($)
Reverse Merger [Line Items] |  |  |  |  |  |  |  |  |  |
Aggregate purchase price (in Dollars) | $ |  |  |  |  |  |  |  | $ 1,500 |  |
PIPE financing (in Dollars) | $ |  |  | $ 500 |  |  |  |  |  |  |
Common stock share authorized |  |  |  |  | 500,000,000 | 18,858,216 | 500,000,000 |  |  |
Common stock par value (in Dollars per share) | $ / shares |  |  |  |  | $ 0.0001 | $ 0.0001 | $ 0.0001 |  |  |
Share authorized |  |  |  | 50,000,000 |  |  |  |  |  |
Preferred stock par value (in Dollars per share) | $ / shares |  |  |  | $ 0.0001 |  |  |  |  |  |
Common stock, voting right for each share held |  |  |  |  | 1 |  |  |  |  |
Preferred stock issue |  |  |  |  |  | 8,048,573 |  |  |  |
Preferred stock outstanding |  |  |  |  |  |  |  |  |  |
Aggregate share |  |  |  |  | 3,335,864 |  |  |  |  |
Gross proceeds (in Dollars) | $ |  |  |  |  | $ 5,268 |  |  |  |  |
Common stock, share outstanding |  |  |  |  | 1,714,792 | 166,793 | 2,061,779 |  |  |
Bolt Threads, Inc. (“Legacy Bolt”) [Member] |  |  |  |  |  |  |  |  |  |
Reverse Merger [Line Items] |  |  |  |  |  |  |  |  |  |
Reserve capitalization |  |  |  | 0.29489 |  |  |  |  |  |
Transaction costs (in Dollars) | $ |  |  |  | $ 11,600 |  |  |  |  |  |
Golden Arrow Merger Corp. (“GAMC”) [Member] |  |  |  |  |  |  |  |  |  |
Reverse Merger [Line Items] |  |  |  |  |  |  |  |  |  |
Common stock, share outstanding | [1] |  |  |  | 32,315,550 |  |  |  |  |
Golden Arrow Merger Corp. (“GAMC”) [Member] | Public Placement Warrant and Private Placement Warrant [Member] |  |  |  |  |  |  |  |  |  |
Reverse Merger [Line Items] |  |  |  |  |  |  |  |  |  |
Warrant to purchase |  |  |  | 1 |  |  |  |  |  |
Convertible Debt [Member] | Second Bridge Convertible Note [Member] |  |  |  |  |  |  |  |  |  |
Reverse Merger [Line Items] |  |  |  |  |  |  |  |  |  |
Convertible notes (in Dollars) | $ |  |  |  |  |  |  |  |  |  | $ 5,000
Convertible Debt [Member] | Third Bridge Convertible Note [Member] |  |  |  |  |  |  |  |  |  |
Reverse Merger [Line Items] |  |  |  |  |  |  |  |  |  |
Convertible notes (in Dollars) | $ |  |  |  |  |  |  |  |  | $ 17,700 |
PIPE Subscribers [Member] |  |  |  |  |  |  |  |  |  |
Reverse Merger [Line Items] |  |  |  |  |  |  |  |  |  |
Purchase price (in Dollars per share) | $ / shares |  |  |  | $ 10 |  |  |  |  |  |
Aggregate purchase price (in Dollars) | $ |  |  |  | $ 27,900 |  |  |  |  |  |
Gross proceeds (in Dollars) | $ |  |  | $ 4,700 |  |  |  |  |  |  |
The Sponsor [Member] |  |  |  |  |  |  |  |  |  |
Reverse Merger [Line Items] |  |  |  |  |  |  |  |  |  |
Purchase price (in Dollars per share) | $ / shares |  |  |  | $ 10 |  |  |  |  |  |
Aggregate purchase price (in Dollars) | $ |  |  |  | $ 8,000 |  |  |  |  |  |
Common Stock [Member] |  |  |  |  |  |  |  |  |  |
Reverse Merger [Line Items] |  |  |  |  |  |  |  |  |  |
Common stock share authorized |  |  |  |  | 500,000,000 | 18,858,216 |  |  |  |
Common stock par value (in Dollars per share) | $ / shares |  |  |  |  | $ 0.0001 |  |  |  |  |
Common stock, share outstanding |  |  |  |  | 1,714,792 |  |  |  |  |
Common Stock [Member] | Bolt Threads, Inc. (“Legacy Bolt”) [Member] |  |  |  |  |  |  |  |  |  |
Reverse Merger [Line Items] |  |  |  |  |  |  |  |  |  |
Common stock share authorized |  |  |  | 500,000,000 |  |  |  |  |  |
Common stock par value (in Dollars per share) | $ / shares |  |  |  | $ 0.0001 |  |  |  |  |  |
Aggregate share |  |  |  | 1,159,192 |  |  |  |  |  |
Common Stock [Member] | Golden Arrow Merger Corp. (“GAMC”) [Member] |  |  |  |  |  |  |  |  |  |
Reverse Merger [Line Items] |  |  |  |  |  |  |  |  |  |
Common stock, voting right for each share held |  |  |  | 1 |  |  |  |  |  |
Common Stock [Member] | Merger [Member] |  |  |  |  |  |  |  |  |  |
Reverse Merger [Line Items] |  |  |  |  |  |  |  |  |  |
Common stock, share outstanding |  |  |  |  | 1,616,355 |  |  |  |  |
Class A Common Stock [Member] | Golden Arrow Merger Corp. (“GAMC”) [Member] |  |  |  |  |  |  |  |  |  |
Reverse Merger [Line Items] |  |  |  |  |  |  |  |  |  |
Common stock par value (in Dollars per share) | $ / shares |  |  |  | $ 0.0001 |  |  |  |  |  |
Reserve capitalization |  |  |  | one-for-one |  |  |  |  |  |
Class B Common Stock [Member] | Golden Arrow Merger Corp. (“GAMC”) [Member] |  |  |  |  |  |  |  |  |  |
Reverse Merger [Line Items] |  |  |  |  |  |  |  |  |  |
Common stock par value (in Dollars per share) | $ / shares |  |  |  | $ 0.0001 |  |  |  |  |  |
Reserve capitalization |  |  |  | one-for-one |  |  |  |  |  |
Private Placement [Member] | PIPE Subscribers [Member] |  |  |  |  |  |  |  |  |  |
Reverse Merger [Line Items] |  |  |  |  |  |  |  |  |  |
Purchase of private placement |  | 2,787,457 |  |  |  |  |  |  |  |
PIPE subscribers purchased |  |  | 23,506 |  |  |  |  |  |  |
Private Placement [Member] | The Sponsor [Member] |  |  |  |  |  |  |  |  |  |
Reverse Merger [Line Items] |  |  |  |  |  |  |  |  |  |
Purchase of private placement |  | 800,000 |  |  |  |  |  |  |  |
[1] | Presented without giving effect to the Reverse Stock Split. After giving effect to the 1-for-20 Reverse Stock Split discussed in Note 1, the total shares of the Company's Common stock outstanding immediately after the Merger was 1,616,355.

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