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Other Current Assets (Tables)
 3 Months Ended
Mar. 31, 2021
Assets, Current [Abstract]  
Schedule of Other Current Assets
Other current assets consisted of:
As of 
March 31, 
2021		As of December 31, 2020
Prepaid expenses$204 $161 
Sales and use taxes139 147 
Other163 148 
Other current assets$506 $456