Other Current Assets (Tables)

6 Months Ended

Jun. 30, 2015

Other Current Assets Disclosure [Abstract]

Schedule of Other Current Assets [Table Text Block]

	As of June 30, 2015		As of December 31, 2014
Sales and use taxes	$	389	$	125
Prepaid expenses	219		192
Other	155		139
Other current assets	$	763	$	456