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Note 10 - Leases (Tables)
9 Months Ended
Oct. 31, 2019
Notes Tables  
Supplemental Balance Sheet Information Related to Leases [Table Text Block]
Operating and Finance leases:
 
October 31, 2019
 
Finance leases assets:
       
Property and Equipment - gross
  $
1,704
 
Accumulated depreciation and amortization
   
(502
)
Property and Equipment - net
  $
1,202
 
         
Finance lease liabilities:
       
Finance lease liability short-term
  $
411
 
Finance lease liability long-term
   
788
 
Total finance lease liabilities
  $
1,199
 
         
Operating lease assets:
       
Operating lease ROU assets
  $
11,717
 
         
Operating lease liabilities:
       
Operating lease liability short-term
  $
1,130
 
Operating lease liability long-term
   
10,617
 
Total operating lease liabilities
  $
11,747
 
Lease, Cost [Table Text Block]
Lease costs
Consolidated Statements of Operations Classification
 
Three Months Ended October 31, 2019
   
Nine Months Ended October 31, 2019
 
Finance Lease Costs
                 
Amortization of ROU assets
Cost of sales
  $
53
    $
155
 
Interest on lease liabilities
Interest expense
   
18
     
36
 
Operating lease costs
Cost of sales, SG&A expenses
   
579
     
1,716
 
Short-term lease costs (1)
Cost of sales, SG&A expenses
   
140
     
401
 
Sub-lease income
SG&A expenses
   
(20
)    
(61
)
Total Lease costs
  $
770
    $
2,247
 
Supplemental Cash Flow Information Related Leases [Table Text Block]
   
Nine Months Ended October 31, 2019
 
Cash paid for amounts included in the measurement of lease liabilities:
       
Financing cash flows from finance leases
  $
185
 
Operating cash flows from finance leases
   
36
 
Operating cash flows from operating leases
   
1,732
 
   
Three Months Ended October 31, 2019
 
ROU Assets obtained in exchange for new lease obligations:
       
Finance leases liabilities
  $
850
 
Operating leases liabilities
   
584
 
Weighted-average Lease Terms and Discount Rates [Table Text Block]
   
October 31, 2019
 
Weighted-average remaining lease terms (in years):
       
Finance leases
   
3.2
 
Operating leases
   
9.0
 
         
Weighted-average discount rates:
       
Finance leases
   
7.7
%
Operating leases
   
8.3
%
Finance and Operating Lease, Liability, Maturity [Table Text Block]
Year:
 
Operating Leases
   
Finance Leases
 
For the three months ended January 31, 2020
  $
569
    $
122
 
For the year ended January 31, 2021
   
2,313
     
488
 
For the year ended January 31, 2022
   
2,213
     
332
 
For the year ended January 31, 2023
   
2,146
     
270
 
For the year ended January 31, 2024
   
1,967
     
145
 
For the year ended January 31, 2025
   
1,252
     
-
 
                 
Thereafter
   
6,656
     
-
 
Total lease payments
   
17,116
     
1,357
 
Less: amount representing interest
   
(5,369
)    
(158
)
Total lease liabilities at October 31, 2019
  $
11,747
    $
1,199