INVESTMENTS (Tables)

12 Months Ended

Dec. 31, 2019

INVESTMENTS

Summary of investment portfolio

	As at		Additions/		Net gain		Disposals/		Unrealized		Fair value
	December 31,		transfers during		(loss) on		transfers during		gain (loss) on		December 31,
	2018		period		securities sold		period		securities held		2019
Marketable equity securities	$	2,718	$	2,314	$	3,396	$	(7,279)	$	736	$	1,885
Warrants		413		—		1,127		(1,540)		—		—
Investments	$	3,131	$	2,314	$	4,523	$	(8,819)	$	736	$	1,885

	As at		Additions/		Net gain		Disposals/		Unrealized		Fair value
	December 31,		transfers during		(loss) on		transfers during		gain (loss) on		December 31,
	2017		period		securities sold		period		securities held		2018
Marketable equity securities	$	6,404	$	1,882	$	(767)	$	(2,895)	$	(1,906)	$	2,718
Warrants		1,567		201		—		(704)		(651)		413
Investments	$	7,971	$	2,083	$	(767)	$	(3,599)	$	(2,557)	$	3,131