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Prepaid Expenses and Other Current Assets (Tables)
12 Months Ended
Dec. 31, 2018
Prepaid Expenses And Other Current Assets  
Schedule of Prepaid Expenses and Other Current Assets

Prepaid expenses and other current assets consisted of the following:

 

    As of December 31,  
    2018     2017  
Prepaid expenses   $ 193     $ 734  
Deferred offering costs     -       160  
Total prepaid expenses and other current assets   $ 193     $ 894