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Note 4 - Supplemental Financial Information - Accrued Liabilities (Details) - USD ($)
$ in Thousands
Jul. 29, 2017
Apr. 29, 2017
Jan. 28, 2017
Jul. 30, 2016
Apr. 30, 2016
Jan. 30, 2016
License fees $ 5,067   $ 5,578      
Income taxes payable, current portion 998   2,094      
Restructuring charges 1,597        
Rebates 1,576   1,585      
Royalties 1,231   1,378      
Warranty 696 $ 727 783 $ 952 $ 960 $ 959
Deferred revenue 466   350      
Other accrued liabilities 3,322   1,839      
Total accrued liabilities $ 14,953   $ 13,607