2.4.0.8000310 - Disclosure - 10. Related Party Transactions (Details)truefalsefalse1false falsefalseD120901_121130http://www.sec.gov/CIK0000005656duration2012-09-01T00:00:002012-11-30T00:00:00SharesStandardhttp://www.xbrl.org/2003/instanceshares01true 1us-gaap_TextBlockAbstractus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Details2false 2us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercisedus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse15000001500000falsefalsefalsexbrli:sharesItemTypesharesNumber of share options (or share units) exercised during the current period.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.28,29) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30 -Article 5 false1Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Periodfalse10. Related Party Transactions (Details)UnKnownNoRoundingUnKnownUnKnowntruefalsefalseSheethttp://AIVN/20131130/role/idr_Disclosure10RelatedPartyTransactionsDetails12