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Other Current Assets Other Current Assets
 9 Months Ended
Sep. 30, 2017
Other Current Assets Disclosure [Abstract]  
Other Current Assets [Text Block]
Other Current Assets

Other current assets consisted of:
 
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