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Note 11 - Restricted Cash
9 Months Ended
Oct. 31, 2019
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 for both 
October 31, 2019
and
January 31, 2019
 and is related to fixed deposits that also serve as security deposits and guarantees. 
 
   
Nine Months Ended October 31,
 
   
2019
   
2018
 
Cash and cash equivalents
  $
12,221
    $
9,582
 
Restricted cash
   
1,138
     
2,536
 
Cash, cash equivalents and restricted cash shown in the statement of cash flows
  $
13,359
    $
12,118