Convertible Debentures (Tables)

12 Months Ended

Dec. 31, 2018

Schedule of Convertible Debt [Table Text Block]

		December 31,			December 31,
		2018			2017
Face value of the convertible debentures	$	5,556		$	6,058
Transaction costs		(907	)		(986	)
Accretion		398			127
Convertible debentures	$	5,047		$	5,199