CoreFiling Blog

Taxonomy Errors

Taxonomy Errors

In this age of digital reporting, hundreds of XBRL taxonomies are published every year. Our analysis at CoreFiling shows that there are a few common mistakes that repeatedly crop up in such taxonomies. These issues can limit their usefulness, slow down implementation...

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Notes On The XII Packaging Specifications

Notes On The XII Packaging Specifications

The first XBRL International Inc (XII) packaging specification, developed in 2015, was aimed solely at providing a standard mechanism for packaging XBRL taxonomies, not reports, in ZIP archives (a compressed, portable, single file containing a directory and file...

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The Inline XBRL Validation Stack

The Inline XBRL Validation Stack

1. Well-formedness To be machine-readable, XML has to be well formed.  Attributes have to be enclosed in quotes; certain characters have to be escaped; all opening tags have to be matched with closing tags. A human reader may recognise easily that a closing tag has...

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Schemas and XBRL

Schemas and XBRL

The invention of schemas to provide formal definition of the contents of XML documents was one of the most important innovations accompanying the creation of the World Wide Web.  For the first time, it was possible to develop a generic data validator which was...

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ESEF – Filing in iXBRL or XHTML?

ESEF – Filing in iXBRL or XHTML?

The ESEF RTS - (EU) 2018/815 - says: (2) Issuers should prepare their entire annual financial reports in the Extensible Hypertext Markup Language (XHTML) format...(4) ...consolidated financial statements in annual financial reports prepared either in accordance with...

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