2.4.0.80032 - Disclosure - 17. Income Taxes (Details)truefalsefalse1false USDfalsefalse$AsOf2012-06-30http://www.sec.gov/CIK0001020477instant2012-06-30T00:00:000001-01-01T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$2false USDfalsefalse$AsOf2011-06-30http://www.sec.gov/CIK0001020477instant2011-06-30T00:00:000001-01-01T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$1true 1ROBK_IncomeTaxesDetailsAbstractROBK_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Income Taxes Details2false 2ROBK_DeferredTaxAssetSaleAndDeconsolidationOfRbgROBK_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00  falsefalsefalse2truefalsefalse26690002669000USD$falsetruefalsexbrli:monetaryItemTypemonetaryNo authoritative reference available.No definition available.false2Sale and deconsolidation of RBG3false 2ROBK_DeferredTaxAssetImpairmentOfIntangibleAssetROBK_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse31330003133000falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryNo authoritative reference available.No definition available.false2Impairment of intangible asset4false 2ROBK_DeferredTaxAssetWriteoffOfInvestmentInJointVentureIntangibleAssetsAndDeferredExpensesROBK_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse5400054000falsefalsefalse2truefalsefalse2880028800falsefalsefalsexbrli:monetaryItemTypemonetaryNo authoritative reference available.No definition available.false2Write-off of investment in joint venture, intangible assets and deferred expenses5false 2ROBK_DeferredTaxAssetOtherROBK_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00  falsefalsefalse2truefalsefalse225225falsefalsefalsexbrli:monetaryItemTypemonetaryNo authoritative reference available.No definition available.false2Other6false 2ROBK_DeferredTaxAssetNetOperatingLossROBK_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse18950001895000falsefalsefalse2truefalsefalse24778002477800falsefalsefalsexbrli:monetaryItemTypemonetaryNo authoritative reference available.No definition available.false2Net operating loss7false 2ROBK_IncomeTaxesSubtotalROBK_falsecreditinstantfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse50820005082000falsefalsefalse2truefalsefalse51758255175825falsefalsefalsexbrli:monetaryItemTypemonetaryNo authoritative reference available.No definition available.false2Income Taxes, Subtotal8false 2ROBK_AllowanceROBK_falsecreditinstantfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse-5082000-5082000falsefalsefalse2truefalsefalse-5175825-5175825falsefalsefalsexbrli:monetaryItemTypemonetaryNo authoritative reference available.No definition available.false2Allowance9false 2ROBK_IncomeTaxesTotalROBK_falsecreditinstantfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse00USD$falsetruefalse2truefalsefalse00USD$falsetruefalsexbrli:monetaryItemTypemonetaryNo authoritative reference available.No definition available.false2Income Taxes, Totalfalse17. Income Taxes (Details) (USD $)NoRoundingUnKnownUnKnownUnKnowntruefalsefalseSheethttp://rotateblack.com/role/IncomeTaxesDetails29