2.4.0.80006 - Disclosure - 1. Summary of Significant Accounting Policies Consolidationtruefalsefalse1false falsefalseFrom2012-06-01to2013-05-31http://www.sec.gov/CIK0000201779duration2012-06-01T00:00:002013-05-31T00:00:001true 1us-gaap_AccountingPoliciesAbstractus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Accounting Policies [Abstract]2false 2us-gaap_SignificantAccountingPoliciesTextBlockus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00 The consolidation financial statements presented herein include the accounts of Excalibur Industries (Excalibur) and its wholly owned subsidiary, Mountain West Mines, Inc. (Mountain West), a Nevada corporation, qualified to do business in the state of Wyoming. All significant intercompany transactions have been eliminated from these statements.   Cash and Cash Equivalents For the purposes of the consolidated statement of cash flows, Excalibur considers all highly liquid investments with an initial maturity of three months or less to be cash equivalents.   Marketable Securities Excalibur classifies its marketable equity securities as available for sales and are carried in the financial statements at fair market value. Recognized gains and losses are included in earnings as determined by the first-in, first-out method. Unrealized holding gains and losses are reported in other comprehensive income.   Mining Properties and Interests Mining claims, leases, and royalty interests are stated at cost, unless in the judgment of the Directors a lesser amount is felt to be more appropriate due to a permanent decline in value. No depletion has been charged against income for financial statement purposes, but is deducted for federal income tax purposes when allowable. The full carrying value is charged against income at the time of sale or disposition of an asset. If a perpetual overriding royalty is retained, the recorded costs of the asset are treated the same for financial statement purposes as for income tax purposes and are not reduced in value until production royalties are received.   Depreciable Property and Equipment Depreciable property and equipment are stated at cost. Depreciation for income tax purposes is consistent with that used for financial statement purposes and has been computed using the straight-line method.   Deferred Income Taxes Deferred income taxes are provided as a result of timing differences in reporting income for financial statement and tax purposes. Currently no deferred income taxes payable (or receivable) are recognized.   Use of Estimates The preparation of financial statements in conformity with generally accepted accounting principles requires management to make estimates and assumptions that affect certain reported amounts and disclosures. Accordingly, actual results could differ from those estimates.   Earnings per Share Earnings per share of common stock are computed using the weighted average number of common shares outstanding during the period. Primary and fully diluted earnings per share are shown as the same figure if the dilutive effect of any common stock equivalents or convertible securities is less than three percent. Excalibur currently has no dilutive equivalents against income for financial statement purposes. During the period ended May 31, 2013, the Company determined that its outstanding shares were actually 5,997,361 prior to the issuance of 15,000 shares to Board Members. Accordingly, the financial statements were revised to reflect this correction.   falsefalsefalsenonnum:textBlockItemTypenaThe entire disclosure for all significant accounting policies of the reporting entity.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367646&loc=d3e18780-107790 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6367646&loc=d3e18726-107790 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6367646&loc=d3e18861-107790 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6367646&loc=d3e18743-107790 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6367646&loc=d3e18854-107790 false01. 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