Quarterly Financial Data (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Jul. 02, 2016	Apr. 02, 2016	Dec. 26, 2015	Sep. 26, 2015	Jun. 27, 2015	Mar. 28, 2015	Dec. 27, 2014	Sep. 27, 2014	Jul. 02, 2016	Jun. 27, 2015	Jun. 28, 2014
Quarterly Financial Information Disclosure [Abstract]
Net sales	$ 123,905	$ 118,448	$ 116,403	$ 126,209	$ 120,429	$ 112,915	$ 114,311	$ 86,342	$ 484,965	$ 433,997	$ 305,394
Gross profit	10,841	9,955	9,110	8,919	10,392	9,436	9,239	4,238	38,825	33,305	26,854
Income before income taxes	2,885	2,137	1,882	1,247	2,847	2,234	2,113	(1,894)	8,151	5,300	9,223
Net income	$ 2,146	$ 1,783	$ 1,787	$ 817	$ 2,340	$ 1,861	$ 1,626	$ (1,523)	$ 6,533	$ 4,304	$ 7,613
Earnings per share – basic (in dollars per share)	$ 0.20	$ 0.17	$ 0.17	$ 0.08	$ 0.22	$ 0.18	$ 0.15	$ (0.14)	$ 0.61	$ 0.41	$ 0.72
Earnings per share – diluted (in dollars per share)	$ 0.20	$ 0.16	$ 0.16	$ 0.07	$ 0.21	$ 0.16	$ 0.14	$ (0.14)	$ 0.58	$ 0.38	$ 0.67
Weighted average shares outstanding– basic	10,714	10,711	10,710	10,706	10,636	10,552	10,552	10,548	10,710	10,572	10,528
Weighted average shares outstanding — Diluted	10,966	11,068	11,418	11,391	11,414	11,556	11,471	10,548	11,278	11,286	11,358