XML 57 R19.htm IDEA: XBRL DOCUMENT v3.20.1
SUPPLEMENTAL FINANCIAL INFORMATION
 3 Months Ended
Mar. 31, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Supplemental Financial Information
SUPPLEMENTAL FINANCIAL INFORMATION
The components of other income are as follows:
 
Three months ended
March 31,
 
2020
 
2019
Interest income
$
72

 
$
111

Change in value of investments accounted for at fair value
(391
)
 
375

Change in value of warrant liabilities
1,146

 
(732
)
Change in value of Convertible Debentures
465

 
(1,436
)
Foreign exchange gain
1,236

 
—

Other
(36
)
 
(1
)
Other income (loss)
$
2,492

 
$
(1,683
)