Accrued expenses (Tables)

12 Months Ended

Dec. 31, 2014

Payables and Accruals [Abstract]

Schedule of Accrued Liabilities [Table Text Block]

	December 31,
	2014		2013
Professional fees	$	100	$	66
Non–executive directors’ fees		56		23
Other		24		5
Total	$	180	$	94