Quarterly report pursuant to Section 13 or 15(d)

Related Party Transactions - Schedule of Incurred Expenses of Minority Shareholders (Details)

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Related Party Transactions - Schedule of Incurred Expenses of Minority Shareholders (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Related Party Transactions [Abstract]    
CWRU License Agreement - reimbursement of patent legal fees $ 32
EsoCheck devices provided to CWRU 15
Fees - Physician Inventors' consulting agreements 13 38
Stock-based compensation expense - Physician Inventors' stock options and restricted stock awards 97 6
Total Related Party Expenses $ 110 $ 91