INVESTMENTS (Tables)

12 Months Ended

Dec. 31, 2017

INVESTMENTS

Summary of investment portfolio

							Other		Statement of
	Opening		Additions		Disposals		Comprehensive		Operations		Fair Value
	balance		during		during		Income (Loss)		(Loss)		end of the
As of December 31, 2017	(January 1)		year		year		(pre-tax)		Income		year
Marketable equity securities	$	6,749	$	—	$	(2,163)	$	1,334	$	484	$	6,404
Warrants		1,794		—		—		—		(227)		1,567
Investments	$	8,543	$	—	$	(2,163)	$	1,334	$	257	$	7,971

							Other		Statement of
	Opening		Additions		Disposals		Comprehensive		Operations		Fair Value
	balance		during		during		Income (Loss)		(Loss)		end of the
As of December 31, 2016	(January 1)		year		year		(pre-tax)		Income		year
Marketable equity securities	$	1,032	$	4,004	$	(470)	$	3,043	$	(860)	$	6,749
Warrants		—		415		—		—		1,379		1,794
Investments	$	1,032	$	4,419	$	(470)	$	3,043	$	519	$	8,543