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Stock-Based Compensation and Other Benefit Plans - Schedule of Stock Options (Details) - $ / shares | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Shares |  |
Outstanding beginning balance (in shares) | 3,660,000 | 3,000,000
Granted (in shares) | 1,448,959 | 1,327,795
Stock options exercised (in shares) | 0 | (111,298)
Forfeited (in shares) | (777,084) | (556,497)
Expired (in shares) | (50,000) |
Outstanding ending balance (in shares) | 4,281,875 | 3,660,000
Vested or expected to be vested (in shares) | 3,775,148 |
Weighted-Average Exercise Price |  |
Outstanding beginning balance (in USD per share) |  | $ 0
Granted (in USD per share) | 1.07 | 1.12
Exercised (in USD per share) | 0 | 0.92
Forfeited (in USD per share) | 1.02 | 0.92
Expired (in USD per share) | 0.52 |
Outstanding ending balance (in USD per share) |  |
Weighted-Average Fair Value |  |
Beginning balance (per share) |  | 0
Granted (per share) | 0.88 | 0.62
Exercised (per share) | 0 | 0.51
Forfeited (per share) | 0.52 | 0.51
Expired (per share) | $ 0.52 |
Ending balance (per share) |  |

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- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Number of fully vested and expected to vest options outstanding that can be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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