Summary of Significant Accounting Policies (Narrative) (Details)	Apr. 30, 2019 USD ($)
Accounting Standards Update 2016-02 [Member]
Right of use assets and operating lease liabilities	$ 1,708,129

Represents amount related to ROU assets and operating lease liabilities.

No definition available.

Name:	cpah_RightOfUseAssetsAndOperatingLeaseLiabilities
Namespace Prefix:	cpah_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant