Note 15 - Stock-based Compensation - Summarize Stock Option Activity (Details) |
11 Months Ended |
|---|---|
|
Oct. 31, 2019
$ / shares
shares
| |
| Options outstanding, Number (in shares) | shares | 2,783,479 |
| Options outstanding, Weighted average exercise price (in dollars per share) | $ / shares | $ 1.48 |
| Granted, Number (in shares) | shares | 881,193 |
| Granted, Weighted average exercise price (in dollars per share) | $ / shares | $ 0.01 |
| Forfeited, Number (in shares) | shares | (22,250) |
| Forfeited, Weighted average exercise price (in dollars per share) | $ / shares | $ 0.01 |
| Exercised, Number (in shares) | shares | (1,573,024) |
| Exercised, Weighted average exercise price (in dollars per share) | $ / shares | $ 0.87 |
| Expired, Number (in shares) | shares | |
| Expired, Weighted average exercise price (in dollars per share) | $ / shares | |
| Options outstanding, Number (in shares) | shares | 2,069,398 |
| Options outstanding, Weighted average exercise price (in dollars per share) | $ / shares | $ 1.33 |
| X | ||||||||||
- Definition Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- 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
|
| X | ||||||||||
- Definition Gross number of share options (or share units) granted during the period. No definition available.
|
| X | ||||||||||
- Definition Number of options outstanding, including both vested and non-vested options. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- 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
|
| X | ||||||||||
- Definition Weighted average price at which option holders acquired shares when converting their stock options into shares. No definition available.
|
| X | ||||||||||
- Definition Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired. No definition available.
|
| X | ||||||||||
- Definition Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated. No definition available.
|
| X | ||||||||||
- Definition Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options. No definition available.
|
| X | ||||||||||
- Definition Number of share options (or share units) exercised during the current period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|