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Stock-Based Compensation (Details) $ / shares in Units, $ in Thousands |  |  | 1 Months Ended | 3 Months Ended | 9 Months Ended
--- | --- | --- | --- | --- | ---
Aug. 23, 2021 USD ($) tranche $ / shares shares | Aug. 22, 2021 USD ($) shares | Jul. 31, 2021 shares | Apr. 30, 2020 shares | Feb. 29, 2020 shares | Sep. 30, 2021 USD ($) | Sep. 30, 2020 USD ($) | Sep. 30, 2021 USD ($) shares | Sep. 30, 2020 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Vesting period |  |  |  |  | 1 year |  |  |  |
Compensation costs | $ |  |  |  |  |  |  |  | $ 2,700 |
Retainer fee, percentage |  |  |  |  | 50.00% |  |  |  |
Participant |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Grant limit (in shares) |  |  | 2,000,000 |  |  |  |  |  |
Non-Employee Board Member |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Grant limit (in shares) |  |  | 100,000 |  |  |  |  |  |
Former Chief Executive Officer |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Compensation costs | $ |  | $ 500 |  |  |  |  |  |  |
Chief Executive Officer |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Options grant in period (in shares) | 1,300,000 |  |  |  |  |  |  |  |
Strike price (in dollars per share) | $ / shares | $ 10.00 |  |  |  |  |  |  |  |
Compensation costs | $ | $ 1,700 |  |  |  |  |  |  |  |
Share-based Payment Arrangement, Tranche One | Chief Executive Officer | August 23, 2022 |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Shares to be vested (in shares) | 442,000 |  |  |  |  |  |  |  |
2019 Long Term Incentive Plan |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Common stock available for issuance (in shares) |  |  | 1,675,000 |  |  |  |  |  |
Amended and Restated 2019 Long Term Incentive Plan |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Common stock available for issuance (in shares) |  |  | 4,000,000 |  |  |  |  |  |
RSUs |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Number of shares granted (in shares) | 500,000 |  |  |  |  |  |  |  |
Compensation costs | $ |  |  |  |  |  | $ 2,400 | $ 148 |  | $ 249
Unrecognized compensation costs | $ |  |  |  |  |  | 1,700 |  | $ 1,700 |
Outstanding RSUs (in shares) |  |  |  |  |  |  |  | 430,688 |
Unrecognized compensation costs, weighted average period |  |  |  |  |  |  |  | 2 years |
RSUs | Chief Executive Officer |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Number of shares granted (in shares) | 500,000 |  |  |  |  |  |  |  |
Outstanding vested (in shares) | 250,000 |  |  |  |  |  |  |  |
Vesting period | 2 years |  |  |  |  |  |  |  |
Number of tranches | tranche | 2 |  |  |  |  |  |  |  |
RSUs | Share-based Payment Arrangement, Tranche One | August 23, 2022 |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Outstanding vested (in shares) |  | 250,000 |  |  |  |  |  |  |
RSUs | Share-based Payment Arrangement, Tranche Two | August 23, 2023 |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Outstanding vested (in shares) |  | 250,000 |  |  |  |  |  |  |
Shares to be vested (in shares) | 429,000 |  |  |  |  |  |  |  |
RSUs | Share-based Payment Arrangement, Tranche Three | August 23, 2024 |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Shares to be vested (in shares) | 429,000 |  |  |  |  |  |  |  |
RSUs | 2019 Long Term Incentive Plan |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Outstanding vested (in shares) |  |  |  |  |  |  |  | 294,642 |
RSUs | 2019 Long Term Incentive Plan | Former Chief Executive Officer |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Outstanding vested (in shares) |  | 500,000 |  |  |  |  |  |  |
Separation of service, period |  | 6 months |  |  |  |  |  |  |
RSA |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Compensation costs | $ |  |  |  |  |  |  | $ 38 | $ 17 | $ 95
Unrecognized compensation costs | $ |  |  |  |  |  | $ 0 |  | $ 0 |
Number of shares vesting (in Shares) |  |  |  |  | 34,706 |  |  | 34,706 |
RSA | 2019 Long Term Incentive Plan |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Number of shares granted (in shares) |  |  |  | 61,308 |  |  |  |  |

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