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Note 8 - Stockholders' Equity - Changes in Stockholders' Equity (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Oct. 29, 2022
Oct. 30, 2021
Oct. 29, 2022
Oct. 29, 2022
Oct. 30, 2021
Oct. 30, 2021
Balance $ 93,864 $ 85,135 $ 93,683     $ 67,308
Shares issued under employee stock plans 194 2,268 1,006     2,846
Stock-based compensation 368 372 1,175     1,293
Shares withheld in lieu of tax withholdings (0) 719 2,179     1,642
Share Repurchase (4,789) 0 (24,172)     0
Other (43) 1 (24)     1
Other comprehensive income 49 84 134     120
Net income 7,455 5,923 27,475 $ 27,475 $ 23,138 23,138
Balance, ending 97,098 93,064 97,098 97,098 93,064 93,064
Common Stock [Member]            
Balance 150 160 162     159
Shares issued under employee stock plans 3 2     8
Stock-based compensation    
Shares withheld in lieu of tax withholdings 1 1     2
Share Repurchase (3) (16)    
Other 1     (2)
Other comprehensive income    
Net income    
Balance, ending 147 163 147 147 163 163
Additional Paid-in Capital [Member]            
Balance [1] 69,409 73,397 75,490     72,822
Shares issued under employee stock plans [1] 194 2,265 1,004     2,838
Stock-based compensation [1] 368 372 1,175     1,293
Shares withheld in lieu of tax withholdings 718 2,178 [1]     1,640 [1]
Share Repurchase [1] (1,553) (7,073)    
Other [1] 4 4     3
Other comprehensive income [1]    
Net income [1]    
Balance, ending [1] 68,422 75,316 68,422 68,422 75,316 75,316
AOCI Attributable to Parent [Member]            
Balance [2] (12,385) (12,579) (12,470)     (12,615)
Shares issued under employee stock plans [2]    
Stock-based compensation [2]    
Shares withheld in lieu of tax withholdings [2]     [2]
Share Repurchase [2]    
Other [2]    
Other comprehensive income [2] 49 84 134     120
Net income [2]    
Balance, ending [2] (12,336) (12,495) (12,336) (12,336) (12,495) (12,495)
Retained Earnings [Member]            
Balance 36,690 24,157 30,501     6,942
Shares issued under employee stock plans    
Stock-based compensation    
Shares withheld in lieu of tax withholdings    
Share Repurchase (3,233) (17,083)    
Other (47) (28)    
Other comprehensive income    
Net income 7,455 5,923 27,475     23,138
Balance, ending $ 40,865 $ 30,080 $ 40,865 $ 40,865 $ 30,080 $ 30,080
[1] Additional paid-in capital (“APIC”)
[2] Accumulated other comprehensive income (loss) (“AOCI”)