<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.20.2</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>59</ContextCount>
  <ElementCount>165</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>false</FootnotesReported>
  <SegmentCount>9</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>3</UnitCount>
  <MyReports>
    <Report instance="avoi-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>000010 - Document - Document and Entity Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avrsys.com/20200630/role/idr_DocumentDocumentAndEntityInformation</Role>
      <ShortName>Document and Entity Information</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="avoi-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>000020 - Statement - Balance Sheets (June 30, 2020)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avrsys.com/20200630/role/idr_BalanceSheetsJune302020</Role>
      <ShortName>Balance Sheets (June 30, 2020)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="avoi-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>000030 - Statement - Balance Sheets (June 30, 2020) - Parenthetical</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avrsys.com/20200630/role/idr_BalanceSheetsJune302020Parenthetical</Role>
      <ShortName>Balance Sheets (June 30, 2020) - Parenthetical</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="avoi-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>000040 - Statement - Statements of Operations (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avrsys.com/20200630/role/idr_StatementsOfOperationsUnaudited</Role>
      <ShortName>Statements of Operations (Unaudited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="avoi-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>000050 - Statement - Statement of Stockholders' Deficit</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avrsys.com/20200630/role/idr_StatementOfStockholdersDeficit</Role>
      <ShortName>Statement of Stockholders' Deficit</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="avoi-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>000060 - Statement - Statement of Stockholders Deficit (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avrsys.com/20200630/role/idr_StatementOfStockholdersDeficitUnaudited</Role>
      <ShortName>Statement of Stockholders Deficit (Unaudited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="avoi-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>000070 - Statement - Statements of Cash Flows (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avrsys.com/20200630/role/idr_StatementsOfCashFlowsUnaudited</Role>
      <ShortName>Statements of Cash Flows (Unaudited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="avoi-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>000080 - Disclosure - Note 1. Nature of Operations</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avrsys.com/20200630/role/idr_DisclosureNote1NatureOfOperations</Role>
      <ShortName>Note 1. Nature of Operations</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="avoi-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>000090 - Disclosure - Note 2. Significant Accounting Policies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avrsys.com/20200630/role/idr_DisclosureNote2SignificantAccountingPolicies</Role>
      <ShortName>Note 2. Significant Accounting Policies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="avoi-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>000100 - Disclosure - Note 3. Intangible and Fixed Assets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avrsys.com/20200630/role/idr_DisclosureNote3IntangibleAndFixedAssets</Role>
      <ShortName>Note 3. Intangible and Fixed Assets</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="avoi-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>000110 - Disclosure - Note 4. Related Party Transactions</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avrsys.com/20200630/role/idr_DisclosureNote4RelatedPartyTransactions</Role>
      <ShortName>Note 4. Related Party Transactions</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="avoi-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>000120 - Disclosure - Note 5. Note Payable &amp; Accounts Payable</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avrsys.com/20200630/role/idr_DisclosureNote5NotePayableAccountsPayable</Role>
      <ShortName>Note 5. Note Payable &amp; Accounts Payable</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="avoi-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>000130 - Disclosure - Note 6. Stockholder Equity / (Deficit)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avrsys.com/20200630/role/idr_DisclosureNote6StockholderEquityDeficit</Role>
      <ShortName>Note 6. Stockholder Equity / (Deficit)</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="avoi-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>000140 - Disclosure - Note 7. Subsequent Events</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avrsys.com/20200630/role/idr_DisclosureNote7SubsequentEvents</Role>
      <ShortName>Note 7. Subsequent Events</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="avoi-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>000150 - Disclosure - Note 2. Significant Accounting Policies: Going Concern (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avrsys.com/20200630/role/idr_DisclosureNote2SignificantAccountingPoliciesGoingConcernPolicies</Role>
      <ShortName>Note 2. Significant Accounting Policies: Going Concern (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <ParentRole>http://www.avrsys.com/20200630/role/idr_DisclosureNote2SignificantAccountingPolicies</ParentRole>
      <Position>15</Position>
    </Report>
    <Report instance="avoi-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>000160 - Disclosure - Note 2. Significant Accounting Policies: Use of Estimates (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avrsys.com/20200630/role/idr_DisclosureNote2SignificantAccountingPoliciesUseOfEstimatesPolicies</Role>
      <ShortName>Note 2. Significant Accounting Policies: Use of Estimates (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <ParentRole>http://www.avrsys.com/20200630/role/idr_DisclosureNote2SignificantAccountingPolicies</ParentRole>
      <Position>16</Position>
    </Report>
    <Report instance="avoi-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>000170 - Disclosure - Note 2. Significant Accounting Policies: Cash and Cash Equivalents (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avrsys.com/20200630/role/idr_DisclosureNote2SignificantAccountingPoliciesCashAndCashEquivalentsPolicies</Role>
      <ShortName>Note 2. Significant Accounting Policies: Cash and Cash Equivalents (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <ParentRole>http://www.avrsys.com/20200630/role/idr_DisclosureNote2SignificantAccountingPolicies</ParentRole>
      <Position>17</Position>
    </Report>
    <Report instance="avoi-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>000180 - Disclosure - Note 3. Intangible and Fixed Assets: Schedule of Amortization of Intangible Assets (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avrsys.com/20200630/role/idr_DisclosureNote3IntangibleAndFixedAssetsScheduleOfAmortizationOfIntangibleAssetsTables</Role>
      <ShortName>Note 3. Intangible and Fixed Assets: Schedule of Amortization of Intangible Assets (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="avoi-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>000190 - Disclosure - Note 3. Intangible and Fixed Assets: Schedule of Future Amortization (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avrsys.com/20200630/role/idr_DisclosureNote3IntangibleAndFixedAssetsScheduleOfFutureAmortizationTables</Role>
      <ShortName>Note 3. Intangible and Fixed Assets: Schedule of Future Amortization (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="avoi-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>000200 - Disclosure - Note 2. Significant Accounting Policies: Going Concern (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avrsys.com/20200630/role/idr_DisclosureNote2SignificantAccountingPoliciesGoingConcernDetails</Role>
      <ShortName>Note 2. Significant Accounting Policies: Going Concern (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.avrsys.com/20200630/role/idr_DisclosureNote2SignificantAccountingPoliciesGoingConcernPolicies</ParentRole>
      <Position>20</Position>
    </Report>
    <Report instance="avoi-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>000210 - Disclosure - Note 2. Significant Accounting Policies: Cash and Cash Equivalents (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avrsys.com/20200630/role/idr_DisclosureNote2SignificantAccountingPoliciesCashAndCashEquivalentsDetails</Role>
      <ShortName>Note 2. Significant Accounting Policies: Cash and Cash Equivalents (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.avrsys.com/20200630/role/idr_DisclosureNote2SignificantAccountingPoliciesCashAndCashEquivalentsPolicies</ParentRole>
      <Position>21</Position>
    </Report>
    <Report instance="avoi-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>000220 - Disclosure - Note 3. Intangible and Fixed Assets: Schedule of Amortization of Intangible Assets (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avrsys.com/20200630/role/idr_DisclosureNote3IntangibleAndFixedAssetsScheduleOfAmortizationOfIntangibleAssetsDetails</Role>
      <ShortName>Note 3. Intangible and Fixed Assets: Schedule of Amortization of Intangible Assets (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.avrsys.com/20200630/role/idr_DisclosureNote3IntangibleAndFixedAssetsScheduleOfAmortizationOfIntangibleAssetsTables</ParentRole>
      <Position>22</Position>
    </Report>
    <Report instance="avoi-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>000230 - Disclosure - Note 3. Intangible and Fixed Assets: Schedule of Future Amortization (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avrsys.com/20200630/role/idr_DisclosureNote3IntangibleAndFixedAssetsScheduleOfFutureAmortizationDetails</Role>
      <ShortName>Note 3. Intangible and Fixed Assets: Schedule of Future Amortization (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.avrsys.com/20200630/role/idr_DisclosureNote3IntangibleAndFixedAssetsScheduleOfFutureAmortizationTables</ParentRole>
      <Position>23</Position>
    </Report>
    <Report instance="avoi-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>000240 - Disclosure - Note 4. Related Party Transactions (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avrsys.com/20200630/role/idr_DisclosureNote4RelatedPartyTransactionsDetails</Role>
      <ShortName>Note 4. Related Party Transactions (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.avrsys.com/20200630/role/idr_DisclosureNote4RelatedPartyTransactions</ParentRole>
      <Position>24</Position>
    </Report>
    <Report instance="avoi-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9999.htm</HtmlFileName>
      <LongName>Uncategorized Items - avoi-20200630.htm</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/role/uncategorizedFacts</Role>
      <ShortName>Uncategorized Items - avoi-20200630.htm</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>25</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File doctype="10-Q" original="avoi-20200630.htm">avoi-20200630.htm</File>
    <File>avoi-20200630.xsd</File>
    <File>avoi-20200630_cal.xml</File>
    <File>avoi-20200630_def.xml</File>
    <File>avoi-20200630_lab.xml</File>
    <File>avoi-20200630_pre.xml</File>
    <File>avrs_10q31x1.htm</File>
    <File>avrs_10q31x2.htm</File>
    <File>avrs_10q32x1.htm</File>
  </InputFiles>
  <SupplementalFiles/>
  <BaseTaxonomies>
    <BaseTaxonomy>http://xbrl.sec.gov/dei/2020-01-31</BaseTaxonomy>
    <BaseTaxonomy>http://fasb.org/us-gaap/2020-01-31</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
