Net Income (Loss) Per Share of Common Stock (Schedule of Earnings Per Share - Basic and Diluted) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Apr. 03, 2020	Mar. 29, 2019	Apr. 03, 2020	Mar. 29, 2019
Numerator:
Net income (loss)	$ 731	$ 4,339	$ (886)	$ 5,899
Denominator:
Weighted average shares outstanding, basic (in shares)	5,395	5,381	5,390	5,382
Effect of potentially dilutive equivalent shares (in shares)	62	196	0	252
Weighted average shares outstanding, diluted (in shares)	5,457	5,577	5,390	5,634
Net income (loss) per share of common stock outstanding:
Basic (in dollars per share)	$ 0.14	$ 0.81	$ (0.16)	$ 1.10
Diluted (in dollars per share)	$ 0.13	$ 0.78	$ (0.16)	$ 1.05