Consolidated Statement of Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Total revenues	$ 197	$ 234	$ 613	$ 473
Expenses
Research and development expense	1,182	857	2,042	1,654
Selling, general and administrative expense	1,181	1,322	2,885	2,602
Depreciation of tangible assets	172	179	343	362
Total expenses	2,535	2,358	5,270	4,618
Operating loss	(2,338)	(2,124)	(4,657)	(4,145)
Interest income	32		61
Net financing and interest expense	(298)	(277)	(596)	(520)
Net loss	(2,604)	(2,401)	(5,192)	(4,665)
Other comprehensive income (loss)
Foreign currency translation adjustment	117	(35)	340	(107)
Change in fair value	8	4	32	(1)
Total other comprehensive income (loss)	125	(31)	372	(108)
Comprehensive loss	$ (2,479)	$ (2,432)	$ (4,820)	$ (4,773)
Basic and diluted weighted average number of shares outstanding	93,527,473	68,877,428	93,523,329	68,346,126
Basic and diluted loss per common share (note 16)	$ (0.03)	$ (0.04)	$ (0.05)	$ (0.07)