This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

No definition available.

Name:	camp_EquityMethodInvestmentsThinxnet
Namespace Prefix:	camp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

OTHER FINANCIAL INFORMATION (Schedule of Supplemental Non-Cash Investing and Financing Activities) (Details) - USD ($) $ in Thousands	Aug. 31, 2017	Feb. 28, 2017	Aug. 31, 2016
Other Financial Information Schedule Of Supplemental Non-cash Investing And Financing Activities Details
Equity investment in and loan to ThinxNet	$ 2,674