Quarterly report pursuant to Section 13 or 15(d)

Prepaid Expenses and Other Current Assets - Schedule of Prepaid Expenses and Other Current Assets (Details)

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Prepaid Expenses and Other Current Assets - Schedule of Prepaid Expenses and Other Current Assets (Details) - USD ($)
$ in Thousands
Jun. 30, 2020
Dec. 31, 2019
Prepaid Expense and Other Assets, Current [Abstract]    
Advanced payments to service providers and suppliers $ 465 $ 294
EsoCheck cell collection supplies 375
Deposits 234 34
Total prepaid expenses and other current assets $ 1,074 $ 328