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Note 3 - Leases (Details Textual) - USD ($) $ in Thousands	Aug. 03, 2019	Feb. 03, 2019	Feb. 02, 2019	Aug. 04, 2018
Retained Earnings (Accumulated Deficit), Ending Balance	$ 29,637		$ 37,094	$ 53,811
Operating Lease, Weighted Average Remaining Lease Term		6 years
Operating Lease, Weighted Average Discount Rate, Percent		5.90%
Lessee, Operating Lease, Lease Not yet Commenced, Amount		$ 5,300
Lessee, Operating Lease, Lease Not yet Commenced, Term of Contract		5 years 182 days
Accounting Standards Update 2016-02 [Member]
Retained Earnings (Accumulated Deficit), Ending Balance		$ (7,400)
Minimum [Member]
Lessee, Operating Lease, Term of Contract	5 years
Maximum [Member]
Lessee, Operating Lease, Term of Contract	10 years

X

- Definition

Amount of lessee's operating lease not yet commence.

+ References

No definition available.

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- Definition

Term of lessee's operating lease not yet commenced, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

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Weighted average discount rate for operating lease calculated at point in time.

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