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Stock Based Compensation - Narrative (Details) |  |  |  |  |  | 12 Months Ended
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Mar. 01, 2022 | Sep. 24, 2021 employee shares | Aug. 02, 2021 | Sep. 21, 2020 shares | Aug. 19, 2020 shares | Dec. 31, 2021 USD ($) $ / shares shares | Dec. 31, 2020 USD ($) $ / shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Weighted-average grant date fair value of stock options granted (in dollars per share) | $ / shares |  |  |  |  |  | $ 3.50 | $ 2.20
Aggregate intrinsic value, options exercised | $ |  |  |  |  |  | $ 3,744,000 | $ 857,000
Unrecognized compensation expense for options | $ |  |  |  |  |  | $ 27,905,000 |
Unrecognized compensation expense for options, period of recognition |  |  |  |  |  | 2 years 2 months 12 days |
Stock options granted previously subject to performance-based vesting (in shares) |  | 9,250,000 |  |  |  | 13,262,016 |
Number of common stock shares into which each warrant converts (in shares) |  |  |  |  |  | 1 |
Minimum |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Vesting period |  |  |  |  |  | 3 years |
Maximum |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Vesting period |  |  |  |  |  | 4 years |
ESPP |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Number of shares initially reserve for future issuance (in shares) |  |  |  |  | 1,000,000 |  |
Number of additional shares that can be added to the plan for future issuance (in shares) |  |  |  |  | 1,600,000 |  |
Maximum percentage of outstanding shares |  |  |  |  | 1.00% |  |
Number of shares available for grant (in shares) |  |  |  |  |  | 1,825,750 |
Offering period |  |  | 7 months |  |  |  |
Maximum common stock purchase allowable as a percentage of compensation |  |  |  |  | 15.00% |  |
Purchase price of common stock as a percentage of closing price |  |  |  |  | 85.00% |  |
ESPP | Forecast |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Consecutive offering period | 6 months |  |  |  |  |  |
ESPP | Minimum |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Purchase price of common stock as a percentage of closing price |  |  |  |  | 85.00% |  |
Stock options |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Expiration period |  |  |  |  |  | 10 years |
Number of employees affected by modification | employee |  | 25 |  |  |  |  |
Incremental costs related to the modification | $ |  |  |  |  |  | $ 4,872,000 |
Expected dividend yield |  |  |  |  |  | 0.00% | 0.00%
Stock options | Minimum |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Vesting period |  |  |  |  |  | 3 years |
Stock options | Maximum |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Vesting period |  |  |  |  |  | 4 years |
RSUs |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Aggregate intrinsic value | $ |  |  |  |  |  | $ 125,000 | $ 125,000
Warrants |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Aggregate intrinsic value | $ |  |  |  |  |  | $ 6,559,000 |
Expected dividend yield |  |  |  |  |  | 0.00% |
Outstanding vested awards (in shares) |  |  |  |  |  | 5,821,137 |
Weighted average exercise price (in dollars per share) | $ / shares |  |  |  |  |  | $ 1.56 |
Weighted average remaining contractual term |  |  |  |  |  | 4 years |
Unrecognized compensation expense | $ |  |  |  |  |  | $ 0 |
Warrants | Consultants |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Outstanding vested awards (in shares) |  |  |  |  |  | 559,787 |
Warrants | Investor |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Outstanding vested awards (in shares) |  |  |  |  |  | 5,261,350 |
2020 Plan |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Number of shares initially reserve for future issuance (in shares) |  |  |  | 8,000,000 |  |  |
Number of shares that can be added to the plan (in shares) |  |  |  | 5,000,000 |  |  |
Number of additional shares that can be added to the plan for future issuance (in shares) |  |  |  | 6,400,000 |  |  |
Maximum percentage of outstanding shares |  |  |  | 4.00% |  |  |
Number of shares available for grant (in shares) |  |  |  |  |  | 2,293,700 |

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