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Interim Period Reporting (Details) - USD ($) | 1 Months Ended | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Oct. 31, 2021 | Oct. 21, 2021 | Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020 | Dec. 31, 2020
Interim Period Reporting (Details) [Line Items] |  |  |  |  |  |  |
Incurred net losses |  |  | $ 1,600,000 | $ 4,900,000 | $ 1,700,000 | $ 4,300,000 |
Accumulated deficit |  |  | $ 201,100,000 |  | 201,100,000 |  | $ 196,200,000
Operating activities |  |  |  |  | $ 5,000,000 | $ 3,700,000 |
Aggregate of shares (in Shares) | 142,169 | 1,808,000 | 93,553 |  | 18,000 |  |
Net proceeds |  |  | $ 593,000 |  | $ 593,000 |  |
Net proceeds |  | $ 13,100,000 |  |  |  |  |
Common stock price per share (in Dollars per share) |  | $ 7.75 |  |  |  |  |
B. Riley Securities [Member] |  |  |  |  |  |  |
Interim Period Reporting (Details) [Line Items] |  |  |  |  |  |  |
Aggregate of shares (in Shares) | 43,000 |  |  |  |  |  |
Net proceeds | $ 1,396,000 |  |  |  |  |  |

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