Quarterly Consolidated Financial Information (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended												12 Months Ended
	Jun. 27, 2015	Mar. 28, 2015	Dec. 27, 2014	Sep. 27, 2014	Jun. 28, 2014	Mar. 29, 2014	Dec. 28, 2013	Sep. 28, 2013	Jun. 29, 2013	Mar. 30, 2013	Dec. 29, 2012	Sep. 29, 2012	Jun. 27, 2015	Jun. 28, 2014	Jun. 29, 2013
Quarterly Financial Information Disclosure [Abstract]
Revenue	$ 37,698	$ 34,766	$ 40,920	$ 45,259	$ 39,693	$ 32,273	$ 29,613	$ 29,071	$ 34,493	$ 34,970	$ 31,452	$ 32,977	$ 158,643	$ 130,650	$ 133,892
Gross profit	9,385	8,581	12,797	14,834	10,020	8,042	8,127	9,707	13,132	10,747	11,529	11,392	45,597	35,896	46,800
Operating expenses	15,042	11,288	13,374	12,704	40,405	11,659	9,704	11,367	14,656	9,725	10,669	10,932	52,408	73,136	45,982
Operating income (loss)	(5,657)	(2,707)	(577)	2,130	(30,386)	(3,617)	(1,577)	(1,660)	(1,524)	1,022	860	460	(6,811)	(37,240)	818
Net earnings (loss)	$ (6,678)	$ (2,311)	$ (1,073)	$ 1,840	$ (30,059)	$ (3,764)	$ (2,925)	$ (1,570)	$ (2,772)	$ 697	$ 593	$ (6)	$ (8,222)	$ (38,318)	$ (1,488)
Basic and diluted loss per share	$ (0.31)	$ (0.11)	$ (0.06)	$ 0.09	$ (1.42)	$ (0.18)	$ (0.14)	$ (0.07)	$ (0.13)	$ 0.03	$ 0.02	$ (0.01)	$ (0.40)	$ (1.82)	$ (0.10)