XML 74 R64.htm IDEA: XBRL DOCUMENT
v3.25.3

Fair Value Measurements - Backstop Subscription Agreement - Summary of changes in fair value of financial instruments measured on recurring basis (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Balance | $ 36,435 | $ 3,668
Reinstatement of common stock warrants as preferred stock warrants |  | 61
Issuance of Pay-to-Play convertible notes and related warrants |  | 9,282
Common rights offering |  | 142
Issuance of 2023 convertible notes and related warrants | 110,718 | 12,300
Issuance of Pre-funded common stock warrants | 464 | 505
Change in estimated fair value | 15,723 | 10,477
Balance | 163,340 | 36,435
Pay to Play Convertible Notes [Member] |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Balance | 14,641 | 3,139
Issuance of Pay-to-Play convertible notes and related warrants |  | 8,717
Common rights offering |  | 142
Issuance of 2023 convertible notes and related warrants | 0 |
Change in estimated fair value | 1,301 | 2,643
Balance | 15,942 | 14,641
2023 Convertible Notes |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Balance | 18,064 |
Issuance of 2023 convertible notes and related warrants | 105,902 | 11,175
Issuance of Pre-funded common stock warrants | 0 |
Change in estimated fair value | 8,721 | 6,889
Balance | 132,687 | 18,064
Warrant Liabilities [Member] |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Balance | 3,730 | 529
Reinstatement of common stock warrants as preferred stock warrants |  | 61
Issuance of Pay-to-Play convertible notes and related warrants |  | 565
Issuance of 2023 convertible notes and related warrants | 4,816 | 1,125
Issuance of Pre-funded common stock warrants | 464 | 505
Change in estimated fair value | 5,701 | 945
Balance | $ 14,711 | $ 3,730

X
- Definition Change In Estimated Fair Value. + References No definition available. + Details
Name: | bzai_ChangeInEstimatedFairValue
Namespace Prefix: | bzai_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Change in fair value of liabilties. + References No definition available. + Details
Name: | bzai_ChangeInFairValueOfLiabilties
Namespace Prefix: | bzai_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Common Rights Offering. + References No definition available. + Details
Name: | bzai_CommonRightsOffering
Namespace Prefix: | bzai_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Issuance Of Convertible Notes And Related Warrants. + References No definition available. + Details
Name: | bzai_IssuanceOfConvertibleNotesAndRelatedWarrants
Namespace Prefix: | bzai_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Issuance Of Pay To Play Convertible Notes And Related Warrants. + References No definition available. + Details
Name: | bzai_IssuanceOfPayToPlayConvertibleNotesAndRelatedWarrants
Namespace Prefix: | bzai_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Issuance Of Pre Funded Common Stock Warrants. + References No definition available. + Details
Name: | bzai_IssuanceOfPreFundedCommonStockWarrants
Namespace Prefix: | bzai_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Reinstatement Of Common Stock Warrants As Preferred Stock Warrants. + References No definition available. + Details
Name: | bzai_ReinstatementOfCommonStockWarrantsAsPreferredStockWarrants
Namespace Prefix: | bzai_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
Name: | us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | bzai_StatementOfFinancialPositionLocationActivityAndCapitalizationAxis=bzai_PayToPlayConvertibleNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | bzai_StatementOfFinancialPositionLocationActivityAndCapitalizationAxis=bzai_TwoThousandTwentyThreeConvertibleNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | bzai_StatementOfFinancialPositionLocationActivityAndCapitalizationAxis=bzai_WarrantLiabilitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |