Aggregate number of common shares reserved for future issuance.

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Number of equity instruments other than options outstanding, including both vested and non-vested instruments.

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- Definition

Number of options outstanding, including both vested and non-vested options.

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Mandatory Redeemable Preferred Stock and Stockholders' Equity (Deficit) - Schedule of Outstanding Awards Issued to Share-based Payment Award Plan and Inducement Grants (Details) - shares	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Options	172,000	353,000	476,000
2019 Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Remaining shares of common stock available for future issuance	352
2019 Plan [Member] \| Options [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Options	47
2019 Plan [Member] \| Restricted Stock Units [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
RSUs/PSUs	198
2019 Plan [Member] \| Performance Shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
RSUs/PSUs	96
2012 Plan [Member] \| Options [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Options	11
2009 Plan [Member] \| Options [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Options	114
2021 Inducement Grants [Member] \| Restricted Stock Units [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
RSUs/PSUs	48
2021 Inducement Grants [Member] \| Performance Shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
RSUs/PSUs	4