The additional amount repayable to the principal amount of convertible debt.

No definition available.

Name:	aeon_ConvertibleNotesAdditionalAmountRepayableToPrincipalAmount
Namespace Prefix:	aeon_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The amount of income (expense) related to decrease (increase) in fair value of Convertible Notes.

+ References

No definition available.

+ Details

Name:	aeon_IncomeExpenseRelatedToDecreaseIncreaseInFairValueOfConvertibleNotes
Namespace Prefix:	aeon_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The number of additional convertible promissory notes sold.

+ References

No definition available.

+ Details

Name:	aeon_NumberOfAdditionalConvertiblePromissoryNotesSold
Namespace Prefix:	aeon_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

The percentage convertible notes convert into number of shares of common stock.

+ References

No definition available.

+ Details

Name:	aeon_PercentageOfConvertibleNotesConvertIntoNumberOfSharesOfCommonStock
Namespace Prefix:	aeon_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of repayment of principal amount.

+ References

No definition available.

+ Details

Name:	aeon_PercentageOfRepaymentOfPrincipalAmount
Namespace Prefix:	aeon_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of the shares the holders would have been entitled to receive via the previous warrant agreement.

+ References

No definition available.

+ Details

Name:	aeon_PercentageOfSharesHoldersReceiveViaPreviousWarrantAgreement
Namespace Prefix:	aeon_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of reduction in fair value of notes due to warrant modification.

+ References

No definition available.

+ Details

Name:	aeon_ReductionInFairValueNotesDueToWarrantModification
Namespace Prefix:	aeon_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The increase (decrease) in stockholders' equity through debit extinguishment due to warrant modification.

+ References

No definition available.

+ Details

Name:	aeon_StockholdersEquityPeriodIncreaseDecreaseThroughDebitExtinguishmentDueToWarrantModification
Namespace Prefix:	aeon_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Fair value portion of borrowing which can be exchanged for a specified number of another security at the option of the issuer or the holder, for example, but not limited to, the entity's common stock.

+ References

No definition available.

+ Details

Name:	us-gaap_ConvertibleDebtFairValueDisclosures
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of a written promise to pay a note, initially due after one year or beyond the operating cycle if longer, which can be exchanged for a specified amount of one or more securities (typically common stock), at the option of the issuer or the holder.

+ References

+ Details

Name:	us-gaap_ConvertibleNotesPayable
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The value of the financial instrument(s) that the original debt is being converted into in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482913/230-10-50-3

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482913/230-10-50-5

+ Details

Name:	us-gaap_DebtConversionConvertedInstrumentAmount1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 835
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482900/835-30-50-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481139/470-20-50-1B

Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 69B
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481568/470-20-55-69B

Reference 4: http://www.xbrl.org/2003/role/exampleRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 69C
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481568/470-20-55-69C

Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482925/835-30-45-2

Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482949/835-30-55-8

+ Details

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481139/470-20-50-1B

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-SubTopic 10
-Topic 210
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 69B
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481568/470-20-55-69B

Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 69C
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481568/470-20-55-69C

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1D
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481139/470-20-50-1D

Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16)(a)(2))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1

Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (b)(3)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481139/470-20-50-4

+ Details

Name:	us-gaap_LongTermDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The net cash inflow or outflow in aggregate debt due to repayments and proceeds from additional borrowings.

+ References

No definition available.

+ Details

Name:	us-gaap_ProceedsFromRepaymentsOfDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- 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 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(2)(c)(2)(i))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483575/946-220-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(2)(c)(2)(ii))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483575/946-220-S99-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(2)(g)(3))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483575/946-220-S99-1

+ Details

Name:	us-gaap_RelatedPartyTransactionLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_DebtInstrumentAxis=aeon_ConvertibleNotes2019Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=aeon_AdditionalPromissoryNoteMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_TitleOfIndividualAxis=srt_DirectorMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_ConvertibleDebtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_TitleOfIndividualAxis=aeon_SimhambhatlaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_TitleOfIndividualAxis=aeon_JaywinMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_TitleOfIndividualAxis=aeon_WillisMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_TitleOfIndividualAxis=aeon_MalikMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=aeon_ConvertibleNotes2019Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementEquityComponentsAxis=us-gaap_AdditionalPaidInCapitalMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_CounterpartyNameAxis=aeon_DentalInnovationsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=aeon_Original2019NotePurchaseAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_CounterpartyNameAxis=aeon_StrathspeyCrownHoldingsGroupLlcMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Related Party Transactions (Predecessor) - 2019 Debt Financings (Details) $ in Thousands					1 Months Ended		7 Months Ended	12 Months Ended
	Dec. 18, 2022 USD ($)	Dec. 12, 2022 USD ($)	Nov. 01, 2022 USD ($)	Jun. 19, 2022 USD ($)	Jul. 21, 2023 USD ($)	Dec. 31, 2019 USD ($) item	Jul. 21, 2023 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Mar. 31, 2024 USD ($)	Mar. 31, 2023 USD ($)	Jul. 22, 2022 USD ($)	Jun. 30, 2019 USD ($)
Related Party Transactions
Debt extinguishment due to warrant modification							$ 17,036
Estimated fair value of convertible notes									$ 131,300	$ 5,100	$ 0
Convertible Notes 2019
Related Party Transactions
Percentage of repayment of principal amount						175.00%
Percentage of the shares the holders would have been entitled to receive via the previous warrant agreement								85.00%
Percentage of Convertible Notes automatically convert into number of shares of Company's common stock, of principal amount						175.00%
Income (expense) related to decrease (increase) in fair value					$ 600		1,600		1,700
Increase in additional paid in capital from debt extinguishment due to warrant modification					$ 17,000		17,000
Principal amount outstanding								$ 6,000	6,000
Estimated fair value of convertible notes								16,200	$ 16,200
Additional promissory note
Related Party Transactions
Principal amount						$ 5,000							$ 5,000
Number of additional convertible promissory notes sold \| item						5
Additional promissory note \| Board of directors \| Convertible Notes 2019
Related Party Transactions
Principal amount						$ 1,000
Number of additional convertible promissory notes sold \| item						1
Convertible notes
Related Party Transactions
Principal amount												$ 1,000
Interest rate (as a percent)									10.00%			0.00%
Convertible notes \| Simhambhatla
Related Party Transactions
Principal amount												$ 1,000
Repayable amount		$ 1,700	$ 1,000
Percentage of repayment of principal amount		175.00%
Principal amount outstanding		$ 700	700									700
Additional amount repayable to the principal amount	$ 700		700
Repayment of notes			$ 1,000
Convertible notes \| Jaywin
Related Party Transactions
Principal amount												1,000
Repayable amount		$ 1,700
Percentage of repayment of principal amount		175.00%	175.00%
Principal amount outstanding		$ 700										700
Additional amount repayable to the principal amount		700
Repayment of notes		1,000
Convertible notes \| Willis
Related Party Transactions
Principal amount												1,000
Repayable amount		$ 1,700
Percentage of repayment of principal amount		175.00%
Principal amount outstanding		$ 700										700
Additional amount repayable to the principal amount		700
Repayment of notes		1,000
Convertible notes \| Malik
Related Party Transactions
Principal amount												1,000
Repayable amount	$ 1,700	$ 1,700
Percentage of repayment of principal amount	175.00%
Principal amount outstanding	$ 700											700
Additional amount repayable to the principal amount	700
Repayment of notes	$ 1,000
Convertible Notes 2019
Related Party Transactions
Debt extinguishment due to warrant modification							5,200
Additional Paid-in Capital [Member]
Related Party Transactions
Debt extinguishment due to warrant modification							17,036
Additional Paid-in Capital [Member] \| Convertible Notes 2019
Related Party Transactions
Debt extinguishment due to warrant modification							$ 17,000
Dental Innovations \| Additional promissory note \| Convertible Notes 2019
Related Party Transactions
Percentage of repayment of principal amount	175.00%
Dental Innovations \| Original 2019 Note Purchase Agreement
Related Party Transactions
Principal amount												5,000	5,000
Repayable amount				$ 8,700								$ 8,700	8,750
Percentage of repayment of principal amount				175.00%
Additional amount repayable to the principal amount				$ 3,700
Interest rate (as a percent)				0.00%								15.79%
Dental Innovations \| Original 2019 Note Purchase Agreement \| Additional promissory note
Related Party Transactions
Principal amount						$ 5,000							$ 5,000
Dental Innovations \| Original 2019 Note Purchase Agreement \| Convertible notes
Related Party Transactions
Principal amount of convertible promissory note						5,000
Strathspey Crown Holdings Group, LLC ("SCH") \| Additional promissory note \| Convertible Notes 2019
Related Party Transactions
Principal amount	$ 1,700					$ 1,000		$ 1,700				$ 1,000
Number of additional convertible promissory notes sold \| item						1
Interest rate (as a percent)	0.00%							15.79%