title: XML Parsing Error: prefix not bound to a namespace
body: <p>This is my first time creating a xbrl document but I am having problems with one line not working.  can anyone tell me what I have done wrong</p>
  
  <pre><code>&lt;us-gaap:Cash contextRef="Feb022013" unitRef="USD" decimals="-3" &gt;231501&lt;/us-gaap:Cash&gt;
  </code></pre>