Note 2 - Summary of Significant Accounting Policies: Inventories (Details) - USD ($)	Oct. 31, 2016	Apr. 30, 2016
Details
Reserve for obsolete or slow-moving inventories	$ 102,858	$ 107,658

Represents the monetary amount of Reserve for obsolete or slow-moving inventories, as of the indicated date.

No definition available.

Name:	fil_ReserveForObsoleteOrSlowMovingInventories
Namespace Prefix:	fil_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant