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v3.20.1

Commitments and Contingencies - Additional Information (Details) |  | 1 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Aug. 08, 2018 USD ($) ft² | Oct. 29, 2018 USD ($) | Oct. 29, 2018 USD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($)
Loss Contingency, Damages Sought, Value |  |  | $ 600,000 | $ 1,100,000 |
Malpractice Loss Contingency, Insurance Recoveries |  |  | 10,000,000 |  |
Net Rentable Area | ft² | 3,800 |  |  |  |
Operating Leases, Rent Expense, Net | $ 1,236,000 |  |  |  |
Security Deposit | $ 118,000 |  |  | 117,800 | $ 117,800
Lease Expiration Date | Sep. 30, 2023 |  |  |  |
Loss Contingency Accrual, Payments |  | $ 150,000 |  |  |
Malpractice Loss Contingency, Claims Incurred in Period |  |  | $ 450,000 |  |
Severance Costs |  |  |  | 419,000 |
Supplemental Unemployment Benefits, Salary Continuation |  |  |  | $ 1,677,000 |
Minimum [Member] |  |  |  |  |
Operating Leases Monthly Rental Payments | $ 19,633 |  |  |  |
Maximum [Member] |  |  |  |  |
Operating Leases Monthly Rental Payments | $ 22,486 |  |  |  |

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