Stock-Based Compensation - Stock Option Awards (Details) - Blade Urban Air Mobility [Member] - USD ($) $ / shares in Units, $ in Thousands |
1 Months Ended | 6 Months Ended | 12 Months Ended | ||||
|---|---|---|---|---|---|---|---|
Dec. 14, 2020 |
Nov. 16, 2018 |
Jul. 31, 2020 |
Mar. 31, 2021 |
Sep. 30, 2020 |
Sep. 30, 2019 |
Sep. 30, 2018 |
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| Options | |||||||
| Outstanding at the beginning | 13,543,398 | 11,779,208 | 7,197,652 | ||||
| Granted | 15,000 | 4,155,287 | 15,000 | 2,200,532 | 5,076,337 | ||
| Exercised | (77,603) | (89,966) | (306,925) | ||||
| Forfeited | (157,480) | (346,376) | (187,856) | ||||
| Outstanding at the end | 13,323,315 | 13,543,398 | 11,779,208 | 7,197,652 | |||
| Exercisable at the end | 9,595,015 | 10,040,803 | |||||
| Weighted Average Fair Value | |||||||
| Outstanding at the beginning (in dollars per share) | $ 0.15 | $ 0.17 | $ 0.10 | ||||
| Granted (in dollars per share) | $ 4.00 | 4.00 | 0.07 | 0.26 | |||
| Exercised (in dollars per share) | 0.18 | 0.27 | 0.21 | ||||
| Forfeited (in dollars per share) | 0.09 | 0.27 | 0.24 | ||||
| Outstanding at the end (in dollars per share) | 0.15 | 0.15 | 0.17 | $ 0.10 | |||
| Exercisable at the end (in dollars per share) | 0.14 | 0.13 | |||||
| Weighted Average Grant Date Fair Value. | |||||||
| Outstanding at the beginning (in dollars per share) | 0.14 | 0.33 | 0.25 | ||||
| Granted (in dollars per share) | $ 7.28 | $ 0.44 | 7.28 | 0.13 | 0.45 | ||
| Exercised (in dollars per share) | $ 0.13 | 0.24 | 0.48 | 0.38 | |||
| Forfeited (in dollars per share) | 0.18 | 0.48 | 0.41 | ||||
| Outstanding at the end (in dollars per share) | 0.14 | 0.14 | $ 0.33 | $ 0.25 | |||
| Exercisable at the end (in dollars per share) | $ 0.14 | $ 0.15 | |||||
| Weighted Average Remaining Life (years) | |||||||
| Outstanding, Weighted Average Remaining Life (years) | 6 years 3 months 18 days | 6 years 9 months 18 days | 7 years 3 months 18 days | 7 years | |||
| Exercisable at the end | 5 years 6 months | 5 years 6 months | |||||
| Unamortized value of stock options | $ 803 | ||||||
| Unamortized value of stock options, weighted average remaining amortization period | 1 year 3 months 18 days | ||||||
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- Definition The weighted-average grant date fair value as of the balance sheet date of options outstanding and currently exercisable under the stock option plan. No definition available.
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- Definition Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of cost to be recognized for option under share-based payment arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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- Definition The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Gross number of share options (or share units) granted during the period. No definition available.
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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. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Number of options outstanding, including both vested and non-vested options. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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- Definition Weighted average price at which option holders acquired shares when converting their stock options into shares. No definition available.
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- Definition Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated. No definition available.
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- Definition Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options. No definition available.
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- Definition Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Weighted average grant-date fair value of non-vested options forfeited. No definition available.
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- Definition Weighted average grant-date fair value of non-vested options outstanding. No definition available.
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- References No definition available.
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- Definition Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Weighted average grant-date fair value of options vested. No definition available.
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- Definition Number of share options (or share units) exercised during the current period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Details
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