Quarterly report pursuant to Section 13 or 15(d)

Basic and Diluted Net Loss per Common Share (Details Textual)

v3.19.3.a.u2
Basic and Diluted Net Loss per Common Share (Details Textual) - shares
9 Months Ended
Nov. 03, 2019
Nov. 04, 2018
Basic and Diluted Net Loss per Common Share (Textual)    
Potentially dilutive shares 1,729,331 1,513,627
Restricted stock units [Member]    
Basic and Diluted Net Loss per Common Share (Textual)    
Potentially dilutive shares 194,845 432,902
Stock options [Member]    
Basic and Diluted Net Loss per Common Share (Textual)    
Potentially dilutive shares 495,366  
Warrants to purchase shares of common stock [Member]    
Basic and Diluted Net Loss per Common Share (Textual)    
Potentially dilutive shares 1,039,120 1,080,725