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Stock-Based Compensation (Details) - USD ($) |  | 1 Months Ended | 3 Months Ended | 6 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | ---
Aug. 12, 2021 | Dec. 29, 2020 | Sep. 30, 2021 | Jun. 30, 2021 | Sep. 30, 2021 | Dec. 31, 2020
Stock-Based Compensation (Details) [Line Items] |  |  |  |  |  |
Shares issued (in Shares) | 12,830 | 37,288 |  |  |  |
Market value, percentage | 30.00% | 30.00% |  |  |  |
Paid swedish social charges |  |  |  |  | $ 21,000 | $ 75,000
Stock related cost percentage |  |  |  |  |  | 30.00%
Total stock-based compensation expense |  |  |  |  | 25,000 | $ 77,000
Stock-based compensation expense |  |  | $ 46,000 |  | $ 91,000 |
Issuance of common stock |  |  |  | $ 156,000 |  |
Number of options outstanding (in Shares) |  |  |  | 9,500 |  |
Options outstanding, vested and expected to vest, aggregate intrinsic value |  |  |  | $ 0 |  |
Term of stock options description |  |  |  |  | Stock options granted under the 2006, 2015 and 2020 Plans are exercisable over a maximum term of ten years from the date of grant, vest in various installments over a one to four-year period and have exercise prices reflecting the market value of the shares of common stock on the date of grant. |
Minimum [Member] |  |  |  |  |  |
Stock-Based Compensation (Details) [Line Items] |  |  |  |  |  |
Future unearned bonus, percentage |  |  |  |  | 50.00% |
Stock related cost percentage |  |  |  |  | 30.00% |
Maximum [Member] |  |  |  |  |  |
Stock-Based Compensation (Details) [Line Items] |  |  |  |  |  |
Future unearned bonus, percentage |  |  |  |  | 67.00% |
Stock related cost percentage |  |  |  |  | 70.00% |
2020 Plan [Member] | Share-based Payment Arrangement, Option [Member] |  |  |  |  |  |
Stock-Based Compensation (Details) [Line Items] |  |  |  |  |  |
Aggregate shares of common stock, shares (in Shares) |  |  |  |  |  | 750,000

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