Deferred inventory cost and other related accounts.

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- Definition

Significant accounting policies line items.

+ References

No definition available.

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- Definition

Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.

+ References

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- Definition

Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.

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- Definition

Amount of cumulative effect of the change in accounting principle or new accounting pronouncement on retained earnings or other components of equity or net assets in the statement of financial position as of the beginning of the earliest period presented.

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Amount of the effect of a change in accounting principle on net income.

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- Definition

Present value of lessee's discounted obligation for lease payments from operating lease.

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Amount of lessee's right to use underlying asset under operating lease.

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Recent Accounting Standards - Additional Information (Details) - USD ($)		12 Months Ended
	Feb. 01, 2018	Jan. 31, 2019	Jan. 31, 2018	Jan. 31, 2017	Feb. 01, 2019
Significant Accounting Policies [Line Items]
Net cash provided by or used in operating activities		$ (3,926,000)	$ 3,173,000	$ 385,000
Net cash provided by or used in investing activities		14,853,000	$ (2,155,000)	$ (22,969,000)
Minimum \| Subsequent Event
Significant Accounting Policies [Line Items]
Right-of-use leased assets					$ 3,800,000
Lease liability					3,800,000
Maximum \| Subsequent Event
Significant Accounting Policies [Line Items]
Right-of-use leased assets					4,800,000
Lease liability					$ 4,800,000
Topic 606
Significant Accounting Policies [Line Items]
Net decrease in deferred revenue	$ 1,000,000
Net increase to accumulated deficit due to adoption of new standard	300,000
Adjustment \| Topic 606
Significant Accounting Policies [Line Items]
Deferred inventory costs and other related accounts	$ 1,300,000
Net cash provided by or used in operating activities		0
Net cash provided by or used in investing activities		$ 0