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9. SEGMENTED INFORMATION (Tables)
3 Months Ended
Jun. 30, 2016
Segment Reporting [Abstract]  
Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block] The distribution of revenue by country is segmented as follows:

   
Three Months Ended
 
   
June 30,
2016
   
June 30,
2015
 
Revenue by country:
           
United States          
 
$
11,472
   
$
18,671
 
Other          
   
5,001
     
5,372
 
   
$
16,473
   
$
24,043
 
Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block]
Three Months Ended
 
Total
Revenue
(in millions)
   
Number of
Customers with
Revenue
> 10% of Total
Revenue
   
Customer
Share as a
Percent of Total
Revenue
 
June 30, 2016
 
$
16.5
     
2
     
33
%
June 30, 2015
 
$
24.0
     
2
     
30
%
Three Months Ended
 
Accounts
Receivable
(in millions)
   
Number of
Customers with
Account Balance
> 10% of Total
Receivables
   
Customer
Share as a
Percent of Total
Receivables
 
June 30, 2016 
 
$
10.0
   
 
2
   
 
39
%