Stock Option Stock-Based Compensation (Narrative) (Details) - USD ($)	3 Months Ended	9 Months Ended
Mar. 26, 2017	Mar. 27, 2016	Mar. 26, 2017	Mar. 27, 2016
Stock-Based Compensation Narrative Details
Stock-based compensation recognized	$ 20,000	$ 45,000	$ 70,000	$ 135,000
Unamortized stock-based compensation expense			$ 100,000

The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

No definition available.

Name:	fil_StockBasedCompensationRecognized
Namespace Prefix:	fil_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration