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Other Current Assets (Tables)
 6 Months Ended
Jun. 30, 2020
Other Current Assets Disclosure [Abstract]  
Schedule of Other Current Assets [Table Text Block]
Other current assets consisted of:
As of 
June 30, 
2020		As of December 31, 2019
Prepaid expenses$165  $234  
Sales and use taxes134  173  
Other146  141  
Other current assets$445  $548