Accrued expenses (Tables)

12 Months Ended

Dec. 31, 2015

Payables and Accruals [Abstract]

Schedule of Accrued Liabilities [Table Text Block]

	As of December 31,
	2015		2014
Professional fees	$	–	$	100
Independent director fees		15		56
Other		–		24
Total	$	15	$	180