Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets, Net (Details Textual)

v3.19.3.a.u2
Intangible Assets, Net (Details Textual) - USD ($)
3 Months Ended 9 Months Ended
Nov. 03, 2019
Nov. 04, 2018
Nov. 03, 2019
Nov. 04, 2018
Goodwill and Other Intangible Assets, Net (Textual)        
Amortization expense on other intangible assets $ 67,665 $ 59,930 $ 191,335 $ 138,266