2.4.0.8300100 - Disclosure - Summary of Significant Accounting Policies (Tables)truefalsefalse1false falsefalseFROM_Jan01_2013_TO_Jun30_2013http://www.sec.gov/CIK0000072971duration2013-01-01T00:00:002013-06-30T00:00:001true 1us-gaap_AccountingPoliciesAbstractus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse02false 2us-gaap_ScheduleOfCashFlowSupplementalDisclosuresTableTextBlockus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1falsefalsefalse00<div><table style="border-collapse:collapse;margin-top:20px;"><tr style="height: 4px"><td style="width: 574px; border-bottom-style:solid;border-bottom-width:2px;text-align:left;border-color:#000000;min-width:574px;">&#160;</td><td style="width: 12px; border-bottom-style:solid;border-bottom-width:2px;text-align:center;border-color:#000000;min-width:12px;">&#160;</td><td style="width: 61px; border-bottom-style:solid;border-bottom-width:2px;text-align:left;border-color:#000000;min-width:61px;">&#160;</td><td style="width: 19px; 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