2.4.0.80010 - Disclosure - 5. Income Taxestruefalsefalse1false falsefalseFrom2012-06-01to2013-05-31http://www.sec.gov/CIK0000201779duration2012-06-01T00:00:002013-05-31T00:00:001true 1us-gaap_IncomeTaxDisclosureAbstractus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Income Tax Disclosure [Abstract]2false 2us-gaap_IncomeTaxDisclosureTextBlockus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<p style="margin: 0pt"></p> <p style="font: 8pt/normal Times New Roman, Times, Serif; margin: 0">Currently, no deferred income taxes payable (or receivable) are recognized as a result of timing differences; in reporting income for financial accounting and tax purposes.</p> <p style="font: 8pt/normal Times New Roman, Times, Serif; margin: 0">&#160;</p> <p style="font: 8pt/normal Times New Roman, Times, Serif; margin: 0">As of May 31, 2013, Excalibur has loss carry forwards of approximately $275,000 for federal tax and state purposes and that may be offset against future taxable income (expiring on various dates through 2027). A deferred tax benefit has not been recognized in the accompanying balance sheet due to the uncertainty of any future taxable income. In addition, deferred income taxes are not affected as a result of statutory depletion deductions taken for tax purposes.</p> <p style="font: 8pt/normal Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&#160;</p> <p style="margin: 0pt"></p>falsefalsefalsenonnum:textBlockItemTypenaThe entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Article 4 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32559-109319 false05. Income Taxesfalse5. Income TaxesUnKnownUnKnownUnKnownUnKnowntruefalsefalseSheethttp://excaliburindustries.com/role/IncomeTaxes12