XML 43 R29.htm IDEA: XBRL DOCUMENT
v3.24.4

Recurring Fair Value Measurements | 6 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Mar. 31, 2024 | Jun. 30, 2024 | Sep. 30, 2023
Armada Acquisition Corp I [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Recurring Fair Value Measurements | Note 6 — Recurring Fair Value Measurements Funds in the Company’s Trust Account were held in an interest-bearing demand deposit account as of March 31, 2024 and September 30, 2023 and classified as Level 1 in the hierarchy of fair value measurements with carrying value approximating fair value.
|  | March 31, 2024 |  |  | December 31, 2023 |
|  | Level |  |  | Amount |  |  | Level |  |  | Amount |
Assets: |  |  |  |  |  |  |  |  |  |  |  |
Interest-bearing demand deposit account |  |  | 1 |  |  | $ | 15,771,190 |  |  |  | 1 |  |  | $ | 25,324,028 |
| Note 6 — Recurring Fair Value Measurements Funds in the Company’s Trust Account were held in an interest-bearing demand deposit account as of June 30, 2024 and September 30, 2023 and classified as Level 1 in the hierarchy of fair value measurements with carrying value approximating fair value.
|  | June 30, 2024 |  |  | September 30, 2023 |
|  | Level |  |  | Amount |  |  | Level |  |  | Amount |
Assets: |  |  |  |  |  |  |  |  |  |  |  |
Interest-bearing demand deposit account |  |  | 1 |  |  | $ | 16,126,337 |  |  |  | 1 |  |  | $ | 25,324,028 |
| Note 5 — Recurring Fair Value Measurements Funds in the Company’s Trust Account were held in an interest bearing demand deposit account of September 30, 2023 and measured as Level 1 in the hierarchy of fair value measurements with carrying value approximating fair value.
|  | Carrying Value as of September 30, 2023 |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Fair Value as of September 30, 2023 |
Interest bearing demand deposit account |  | $ | 25,324,028 |  |  | $ | — |  |  | $ | — |  |  | $ | 25,324,028 |
Funds in the Company’s Trust Account were invested in U.S. Treasury securities as of September 30, 2022, and classified as held-to-maturity and Level 1 in the hierarchy of fair value measurements as follows:
|  | Carrying Value as of September 30, 2022 |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Fair Value as of September 30, 2022 |
Cash |  | $ | 320 |  |  | $ | — |  |  | $ | — |  |  | $ | 320 |
U.S. Treasury Bills |  |  | 150,844,605 |  |  |  | 19,242 |  |  |  | — |  |  |  | 150,863,847 |
|  | $ | 150,844,925 |  |  | $ | 19,242 |  |  | $ | — |  |  | $ | 150,864,167 |
There were no transfers between Levels 1, 2 or 3 during the years ended September 30, 2023 and 2022.

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/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 100 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-100 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -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 (a) -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 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-3 + Details
Name: | us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure of the fair value measurement of assets and liabilities, which includes financial instruments measured at fair value that are classified in shareholders' equity, which may be measured on a recurring or nonrecurring basis. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 820 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/820/tableOfContent + Details
Name: | us-gaap_FairValueMeasurementInputsDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | dei_LegalEntityAxis=rzlv_ArmadaAcquisitionCorpIMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |