Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Operating expenses:
General and administrative	$ 303	$ 658
Research and development	350	580
Operating loss	(653)	(1,238)
Other (expense) income:
Grant income		10
Interest expense	(1,033)	(473)
Other(expense) income	34	(80)
Total other expense	(999)	(543)
Loss before income tax benefit	(1,652)	(1,781)
Income tax benefit	71	28
Net loss	(1,581)	(1,753)
Foreign currency translation adjustment	(32)	69
Comprehensive loss	$ (1,613)	$ (1,684)
Basic and diluted net loss per share (in dollars per share)	$ (0.31)	$ (0.45)
Weighted average shares outstanding - basic and diluted (in shares)	5,072,397	3,927,296