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Note 11 - Restricted Cash
3 Months Ended
Apr. 30, 2020
Notes to Financial Statements  
Cash and Cash Equivalents Disclosure [Text Block]
Note
11
 - Restricted cash
 
Restricted cash held by foreign subsidiaries was
$1.1
 million as of
April 30, 2020
and
2019,
respectively, and is related to fixed deposits that also serve as security deposits and guarantees. 
 
                 
   
April 30, 2020
   
April 30, 2019
 
Cash and cash equivalents
  $
12,450
    $
7,960
 
Restricted cash
   
1,105
     
2,602
 
Cash, cash equivalents and restricted cash shown in the statement of cash flows
  $
13,555
    $
10,562