Note 5 - Accrued Liabilities (Details) - USD ($) $ in Thousands	Apr. 30, 2016	Jan. 30, 2016	May. 02, 2015	Jan. 31, 2015
License fees	$ 4,135	$ 5,181
Rebates	3,925	2,864	$ 7,142	$ 9,599
Income taxes payable, current portion	2,725	2,305
Royalties	2,156	1,469
Warranties	960	959	$ 861	$ 864
Deferred revenue	416	407
Other accrued liabilities	1,241	1,447
Total accrued liabilities	$ 15,558	$ 14,632

Accrued license fees as of balance sheet date.

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Accrued rebates as of balance sheet date.

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Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all currently due domestic and foreign income tax obligations.

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Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Carrying value as of the balance sheet date of obligations incurred through that date and payable for royalties. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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The carrying amount of consideration received or receivable as of the balance sheet date on potential earnings that were not recognized as revenue in conformity with GAAP, and which are expected to be recognized as such within one year or the normal operating cycle, if longer, including sales, license fees, and royalties, but excluding interest income.

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Amount of expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer.

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Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers.

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