Quarterly report pursuant to Section 13 or 15(d)

Nature of Operations, Liquidity and Cash Flows (Details)

v3.22.1
Nature of Operations, Liquidity and Cash Flows (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
Mar. 18, 2021
Apr. 30, 2022
May 01, 2021
Jan. 29, 2022
Liquidity and Cash Flows [Abstract]        
Net loss   $ (4,428) $ (1,416)  
Accumulated deficit   (125,322) (114,279) $ (120,894)
Net cash used in operating activities   (5,820) (2,513)  
Cash and cash equivalents   828 5,030 1,218
Net working capital   16,500    
Borrowings   10,508 0 9,966
Underwritten offering of common stock (in shares) 416,600      
Share price (in dollars per share) $ 32.50      
Gross proceeds of offering $ 13,500      
Credit Facility [Member]        
Liquidity and Cash Flows [Abstract]        
Borrowings   10,500 0 $ 10,000
Outstanding letters of credit   0 0  
Available borrowings   $ 3,600 $ 10,900