XML 22 R10.htm IDEA: XBRL DOCUMENT  v2.3.0.11
Principles of Consolidation
6 Months Ended
Jul. 31, 2011
Consolidation Policy Disclosure Abstract  
Consolidation, Policy [Text Block]
3. 
Principles of Consolidation
The accompanying condensed consolidated financial statements include the accounts of the Company and its wholly-owned subsidiaries. All significant intercompany accounts and transactions have been eliminated.