Convertible Debentures (Tables)

3 Months Ended

Mar. 31, 2019

Schedule of Convertible Debt [Table Text Block]

		March 31,			December 31,
		2019			2018
Face value of the convertible debentures	$	5,672		$	5,556
Transaction costs		(926	)		(907	)
Accretion		485			398
Convertible debentures	$	5,231		$	5,047