Annual report pursuant to Section 13 and 15(d)

Prepaid Expenses and Other Current Assets (Details) - Schedule of prepaid expenses and other current assets

v3.22.1
Prepaid Expenses and Other Current Assets (Details) - Schedule of prepaid expenses and other current assets - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Schedule of prepaid expenses and other current assets [Abstract]    
Prepaid insurance $ 874 $ 792
Prepaid clinical trial expenses 543 457
Other prepaid expenses and other current assets 61 68
Total prepaid expenses and other current assets $ 1,478 $ 1,317