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Note 19 - Marketable Securities
 12 Months Ended
Mar. 31, 2018
Statement Line Items [Line Items]  
Disclosure of marketable securities [text block]
19
MARKETABLE SECURITIES
 
   
AS
OF

MARCH 31,
2018
$000’s
 
    
AS
OF

MARCH 31,
2017
$000’s
 
  
Balance at beginning of the Period
    
55,866
      
60,264
  
Additions
    
—
      
631
  
Withdrawal
    
(55,874
 )    
(5,002
 )
Net gain / (loss) transfer to equity
    
8
      
(27
 )
Balance at the end the Period
  
 
—
    
 
55,866
  
Less non-current portion
    
—
      
(22,864
 )
Current portion
  
 
—
    
 
33,002
  
                 
Marketable securities include the following:
                
 
   
AS
OF

MARCH 31,
2018
$000’s
 
    
AS
OF

MARCH 31,
2017
$000’s
 
  
Listed securities:
                
Corporate and government debt instruments
    
—
      
55,063
  
Certificates of deposit
    
—
      
803
  
TOTAL
  
 
—
    
 
55,866
  
 
The maximum exposure to credit risk at the reporting date is the carrying value of the debt securities classified as marketable securities. The Group has sold all its marketable securities during the year.
 
None
of these financial assets are either past due or impaired.