Accrued Expenses and Other Current Liabilities - Schedule of Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Compensation and Employee Benefits	$ 1,777	$ 1,074
CWRU License Agreement fee	223	223
CWRU License Agreement Amendment fee	100
Operating expenses	171	89
Total accrued expenses and other current liabilities	2,325	1,386
EsoGuard [Member]
Accrued Supplies	22
CarpX Devices [Member]
Accrued Supplies	$ 32