(12) Major Customers and Sales By Geographic Location (Details)	12 Months Ended
Jun. 30, 2017	Jun. 30, 2016
Details
Sales outside North America	approximately $814,000 or 2.3% of net sales	$850,000 or 2.8% of net sales

Represents the description of Sales outside North America, during the indicated time period.

No definition available.

Name:	fil_SalesOutsideNorthAmerica
Namespace Prefix:	fil_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration