v3.23.1

Note 11 - Main Street Term Loan (Details Textual) - MSLP Note [Member] |  | 12 Months Ended
--- | --- | ---
Dec. 08, 2020 | Dec. 08, 2024
Debt Instrument, Term (Year) | 5 years |
Forecast [Member] |  |
Debt Instrument, Percentage of Outstanding Principal to be Paid with Accrued Unpaid Interest |  | 15.00%
London Interbank Offered Rate (LIBOR) [Member] |  |
Debt Instrument, Basis Spread on Variable Rate | 3.00% |

X
- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentTerm
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents percentage of outstanding principal to be paid with accrued unpaid interest for debt instrument. + References No definition available. + Details
Name: | vero_DebtInstrumentPercentageOfOutstandingPrincipalToBePaidWithAccruedUnpaidInterest
Namespace Prefix: | vero_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_DebtInstrumentAxis=vero_MSLPNoteMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementScenarioAxis=srt_ScenarioForecastMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |