Basis of Presentation, Business Operations and Recent Accounting Pronouncements (Details) (Restatement Adjustment [Member], USD $)	3 Months Ended
Jan. 31, 2012
Restatement Adjustment [Member]
Vehicles purchases restated as cash activities from non-cash activities	$ 37,000

The cash outflow for acquisition of machinery and equipment restated as cash activities that were previously classified as non-cash activities.

No definition available.

Name:	chmp_PaymentsToAcquireMachineryAndEquipmentRestatedFromNoncashActivities
Namespace Prefix:	chmp_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration