Other Current Assets (Tables)

3 Months Ended

Mar. 31, 2017

Other Current Assets Disclosure [Abstract]

Schedule of Other Current Assets [Table Text Block]

	As of March 31, 2017		As of December 31, 2016
Sales and use taxes	$	257	$	153
Prepaid expenses	230		212
Other	164		154
Other current assets	$	651	$	519