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Note 8 - Stockholders' Equity - Changes in Stockholders' Equity (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Oct. 30, 2021
Oct. 31, 2020
Oct. 30, 2021
Oct. 31, 2020
Balance $ 85,135 $ 54,571 $ 67,308 $ 88,631
Shares issued under employee stock plans 2,268 [1] 0 2,846 499
Stock-based compensation 372 441 1,293 1,334
Shares withheld in lieu of tax withholdings 719 (0) 1,642 115
Other 1 1 1 1
Other comprehensive income 84 26 120 (198)
Net income (loss) 5,923 1,660 23,138 (33,453)
Shares withheld in lieu of tax withholdings (719) 0 (1,642) (115)
Balance, ending 93,064 56,699 93,064 56,699
Common Stock [Member]        
Balance 160 156 159 152
Shares issued under employee stock plans 3 4 8 8
Stock-based compensation
Shares withheld in lieu of tax withholdings 1 2 1
Other 1 (2) 1
Other comprehensive income
Net income (loss)
Shares withheld in lieu of tax withholdings (1) (2) (1)
Balance, ending 163 160 163 160
Additional Paid-in Capital [Member]        
Balance [1] 73,397 71,906 72,822 70,633
Shares issued under employee stock plans [1] 2,265 (4) 2,838 491
Stock-based compensation [1] 372 441 1,293 1,334
Shares withheld in lieu of tax withholdings [1] 718 1,640 114
Other [1] 1 3
Other comprehensive income [1]
Net income (loss) [1]
Shares withheld in lieu of tax withholdings [1] (718) (1,640) (114)
Balance, ending [1] 75,316 72,344 75,316 72,344
AOCI Attributable to Parent [Member]        
Balance [2] (12,579) (12,303) (12,615) (12,079)
Shares issued under employee stock plans
Stock-based compensation [2]
Shares withheld in lieu of tax withholdings [2]
Other [2]
Other comprehensive income [2] 84 26 120 (198)
Net income (loss) [2]
Shares withheld in lieu of tax withholdings [2]
Balance, ending [2] (12,495) (12,277) (12,495) (12,277)
Retained Earnings [Member]        
Balance 24,157 (5,188) 6,942 29,925
Shares issued under employee stock plans
Stock-based compensation
Shares withheld in lieu of tax withholdings
Other
Other comprehensive income
Net income (loss) 5,923 1,660 23,138 (33,453)
Shares withheld in lieu of tax withholdings
Balance, ending $ 30,080 $ (3,528) $ 30,080 $ (3,528)
[1] Additional paid-in capital (“APIC”)
[2] Accumulated other comprehensive income (loss) (“AOCI”)