OTHER FINANCIAL INFORMATION (Schedule of Supplemental Non-Cash Investing and Financing Activities) (Details) - USD ($) $ in Thousands	Aug. 31, 2018	Aug. 31, 2017
Other Financial Information [Abstract]
Equity investment in and loan to ThinxNet (see Note 5)	$ 300	$ 2,674

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