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Stock-Based Compensation - Summary of Non-vested Options Activity (Detail)	3 Months Ended
	Sep. 03, 2017 $ / shares shares
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Number of Shares, Non-vested options, Beginning balance \| shares	229,000
Number of Shares, Granted \| shares	57,000
Number of Shares, Vested \| shares	(45,000)
Number of Shares, Non-vested options, Ending balance \| shares	241,000
Weighted Average Grant-Date Fair Value, Non-vested options, Beginning balance \| $ / shares	$ 3.34
Weighted Average Grant-Date Fair Value, Granted \| $ / shares	3.86
Weighted Average Grant-Date Fair Value, Vested \| $ / shares	2.55
Weighted Average Grant-Date Fair Value, Non-vested options, Ending balance \| $ / shares	$ 3.61