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Note 10 - Leases (Tables)
 3 Months Ended
Apr. 30, 2021
Notes Tables  
Supplemental Balance Sheet Information Related to Leases [Table Text Block]
Operating and Finance leases:
  
April 30, 2021
    
January 31, 2021
  
Finance leases assets:
                
Property and Equipment - gross
   $
1,061
     $
879
  
Accumulated depreciation and amortization
    
(311
 )    
(96
 )
Property and Equipment - net
   $
750
     $
783
  
                 
Finance lease liabilities:
                
Finance lease liability short-term
   $
262
     $
300
  
Finance lease liability long-term
    
350
      
401
  
Total finance lease liabilities
   $
612
     $
701
  
                 
Operating lease assets:
                
Operating lease ROU assets
   $
12,178
     $
13,384
  
                 
Operating lease liabilities:
                
Operating lease liability short-term
   $
1,311
     $
1,402
  
Operating lease liability long-term
    
12,185
      
13,174
  
Total operating lease liabilities
   $
13,496
     $
14,576
  
   
Three Months Ended April 30, 2021
    
Three Months Ended April 30, 2020
  
Cash paid for amounts included in the measurement of lease liabilities:
                
Financing cash outflows from finance leases
   $
117
     $
105
  
Operating cash outflows from finance leases
    
13
      
19
  
Operating cash outflows from operating leases
    
501
      
954
  
Lease, Cost [Table Text Block]
Lease costs
Consolidated Statements of Operations Classification
  
Three Months Ended April 30, 2021
    
Three Months Ended April 30, 2020
  
Finance Lease Costs
                  
Amortization of ROU assets
Cost of sales
   $
54
     $
48
  
Interest on lease liabilities
Interest expense
    
13
      
19
  
Operating lease costs
Cost of sales, SG&A expenses
    
648
      
612
  
Short-term lease costs (1)
Cost of sales, SG&A expenses
    
93
      
23
  
Sub-lease income
SG&A expenses
    
(20
 )    
(20
 )
Total Lease costs
   $
788
     $
682
  
Weighted-average Lease Terms and Discount Rates [Table Text Block]
   
April 30, 2021
  
Weighted-average remaining lease terms (in years):
        
Finance leases
    
2.3
  
Operating leases
    
13.4
  
         
Weighted-average discount rates:
        
Finance leases
    
7.7
 %
Operating leases
    
7.5
 %
Finance and Operating Lease, Liability, Maturity [Table Text Block]
Year:
  
Operating Leases
    
Finance Leases
  
For the nine months ended January 31, 2022
   $
1,676
     $
224
  
For the year ended January 31, 2023
    
2,279
      
288
  
For the year ended January 31, 2024
    
2,265
      
156
  
For the year ended January 31, 2025
    
1,516
      
-
  
For the year ended January 31, 2026
    
1,326
      
-
  
For the year ended January 31, 2027
    
1,333
      
-
  
                 
Thereafter
    
12,322
      
-
  
Total lease payments
    
22,717
      
668
  
Less: amount representing interest
    
(9,221
 )    
(56
 )
Total lease liabilities at April 30, 2021
   $
13,496
     $
612