| Main XBRL.org site | http://www.xbrl.org |
| How XBRL Works video | http://xbrl.squarespace.com/journal/2008/5/10/how-xbrl-works.html |
| XBRL in plain English | http://www.batavia-xbrl.com/downloads/XBRLinPlainEnglishv1.1.pdf |
| XBRL Specifications | http://xbrl.org/SpecRecommendations (the current specification is XBRL 2.1) |
| XBRL Wiki | http://www.xbrlwiki.info/index.php?title=Main_Page |
| Taxonomy Repository | http://www.xbrl.org/FRTaxonomies |
| Taxonomy Viewer (free) | http://bigfoot.corefiling.com/yeti/resources/yeti-gwt/Yeti.jsp |
| XBRL Dimensions Tutorial | http://docs.ubmatrix.com/webhelp/XPE/3_5/Dimensions_and_Aggregation_Tutorial.htm |
| XBRL US GAAP Preparers Guide (PDF) | http://xbrl.us/Documents/PreparersGuide.pdf |
| SEC XBRL Mandate | http://www.sec.gov/rules/final/2009/33-9002.pdf |
| Search the Next-Generation EDGAR System (includes XBRL submissions) | http://www.sec.gov/edgar/searchedgar/webusers.htm |
| SEC Instance Document Viewer: | http://www.sec.gov/spotlight/xbrl/xbrlviewerlicense.htm |
| SEC Interactive Data Webcasts | http://www.sec.gov/spotlight/xbrl/xbrl-webcasts.shtml |
| International Financial Reporting Standards | http://www.ifrs.com |
| IFRS Taxonomy | http://www.iasb.org/XBRL/XBRL.htm |
| Financial Reporting Using XBRL | http://xbrl.squarespace.com/home-page/ |