Executive Officer Employment Agreements - Additional Information (Details) - USD ($) $ in Thousands	1 Months Ended		4 Months Ended	12 Months Ended
	Jan. 30, 2016	Feb. 28, 2015	Jan. 31, 2015	Jan. 28, 2017	Jan. 30, 2016	Sep. 30, 2014	Jul. 20, 2016	Aug. 10, 2014	Dec. 04, 2013	Dec. 01, 2012	Nov. 30, 2012
Chief Executive Officer
Defined Benefit Plan Disclosure [Line Items]
Annual base salary								$ 825
Base salary earned			$ 275	$ 825	$ 825	$ 117
Annual equity grant with a grant date fair value, percentage				100.00%
Salary continuation and severance payments terms				Mr. Romano is eligible for an annual cash bonus based on performance and an annual equity grant with a grant date fair value equal to 100% of Mr. Romano’s base salary. For the Company’s fiscal year end change transition period October 1, 2014 to January 31, 2015 through its 2015 fiscal year ended January 30, 2016, the equity grant had a grant date fair value equal to 133% of Mr. Romano’s base salary and was a mixture of 50% stock options, 25% time-vested restricted stock and 25% performance-based restricted stock units. The agreement continues in effect until terminated by either the Company or the executive in accordance with the termination provisions of the agreement
Chief Executive Officer | October 1, 2014 to January 31, 2015
Defined Benefit Plan Disclosure [Line Items]
Equity grant with a grant date fair value, percentage					133.00%
Chief Executive Officer | Employee Stock Option | October 1, 2014 to January 31, 2015
Defined Benefit Plan Disclosure [Line Items]
Equity grant with a grant date fair value, percentage					50.00%
Chief Executive Officer | Restricted Stock Units (RSUs) | October 1, 2014 to January 31, 2015
Defined Benefit Plan Disclosure [Line Items]
Equity grant with a grant date fair value, percentage					25.00%
Chief Executive Officer | Performance Based Restricted Stock Units | October 1, 2014 to January 31, 2015
Defined Benefit Plan Disclosure [Line Items]
Equity grant with a grant date fair value, percentage					25.00%
Former Chief Executive Officer
Defined Benefit Plan Disclosure [Line Items]
Base salary earned						681
Former Chief Executive Officer | Stock Option
Defined Benefit Plan Disclosure [Line Items]
Separation Agreement Payment		$ 3,338
Former President
Defined Benefit Plan Disclosure [Line Items]
Base salary earned			178		$ 453	533
Separation Agreement Payment	$ 104			$ 535
Separation Agreement description				The Daniel Separation Agreement provided a) that Mr. Daniel would receive one year of base salary, one-half of which was paid as a lump sum in June 2016 and the balance of which was paid monthly thereafter, totaling $535,000, b) payment to Mr. Daniel of a pro-rata annual bonus for fiscal 2015, c) lump sum payments to Mr. Daniel totaling $104,000 in January 2016, primarily for consulting services from his date of separation through January 31, 2016 and d) continuation of certain insurance and fringe benefits for up to 14 months.
Executive Vice President and Chief Financial Officer
Defined Benefit Plan Disclosure [Line Items]
Annual base salary							$ 405
Base salary earned				$ 195
Former Executive Vice President and Chief Financial Officer
Defined Benefit Plan Disclosure [Line Items]
Base salary earned			135	128	405	402
Executive Vice President and Chief Administrative Officer
Defined Benefit Plan Disclosure [Line Items]
Annual base salary									$ 390	$ 360	$ 320
Base salary earned			$ 130	$ 390	$ 390	$ 385