Income Taxes (Details) - Schedule of federal statutory income tax rate - USD ($) $ in Thousands |
9 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2021 |
Sep. 30, 2020 |
Dec. 31, 2020 |
Dec. 31, 2019 |
|
| Schedule of federal statutory income tax rate [Abstract] | ||||
| Income tax at statutory rate | $ (1,531) | $ (1,134) | ||
| Foreign rate differential | (37) | (77) | ||
| Change in valuation allowance | 1,588 | 15,104 | ||
| Share-based compensation expense | 85 | |||
| Prior year true-ups | 119 | (13,371) | ||
| Other differences | (135) | (607) | ||
| Provision for income taxes | $ 4 | $ 4 | ||