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Other Current Assets (Tables)
 9 Months Ended
Sep. 30, 2020
Other Current Assets Disclosure [Abstract]  
Schedule of Other Current Assets [Table Text Block]
Other current assets consisted of:
As of 
September 30, 
2020		As of December 31, 2019
Prepaid expenses$177 $234 
Sales and use taxes147 173 
Other146 141 
Other current assets$470 $548