Other Current Assets (Tables)

9 Months Ended

Sep. 30, 2017

Other Current Assets Disclosure [Abstract]

Schedule of Other Current Assets [Table Text Block]

	As of September 30, 2017		As of December 31, 2016
Sales and use taxes	$	348	$	153
Prepaid expenses	231		212
Other	171		154
Other current assets	$	750	$	519