XML 47 R36.htm IDEA: XBRL DOCUMENT v3.10.0.1
Note 8 - Income Per Share (Details Textual) - shares
3 Months Ended 6 Months Ended
Aug. 04, 2018
Jul. 29, 2017
Aug. 04, 2018
Jul. 29, 2017
Employee Stock Option [Member]        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 594,411 339,772 548,400 323,598