Other Charges - Schedule of Charges Incurred in Proposed Business Combination and Management and Organizational Changes (Details) - USD ($) $ in Thousands	3 Months Ended
	May 05, 2018	Apr. 29, 2017
Proxy Contest and Proposed Merger
Proxy contest	$ 886
Proposed merger		$ 814
Total proxy solicitation and proposed merger	886	814
Management and Organizational Changes
Severance and related benefits	252	3
Consulting fees	12
Total management and organizational changes	264	3
Total other charges	$ 1,150	$ 817