XML 49 R38.htm IDEA: XBRL DOCUMENT v3.20.2
Note 7 - Income Taxes (Details Textual) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Oct. 31, 2020
Nov. 02, 2019
Oct. 31, 2020
Nov. 02, 2019
Effective Income Tax Rate Reconciliation, Percent, Total 0.60% 23.70% 8.00% 2.10%
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent     21.00% 21.00%
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount     $ 3.3  
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Payment Arrangement, Amount       $ 0.2