Annual report pursuant to Section 13 and 15(d)

Note 15 - Stock-based Compensation - Restricted Stock Awards Activity (Details)

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Note 15 - Stock-based Compensation - Restricted Stock Awards Activity (Details) - $ / shares
12 Months Ended
Oct. 31, 2021
Oct. 31, 2020
Unvested, number of units (in shares) 3,541,371  
Restricted Stock [Member]    
Unvested, number of units (in shares) 3,737,791 5,755,459
Unvested, weighted average grant-date fair value (in dollars per share) $ 5.39 $ 4.44
Granted, weighted average grant-date fair value (in dollars per share) $ 3.80 $ 0
Vested, number of units (in shares) (757,215) (229,011)
Vested, weighted average grant-date fair value (in dollars per share) $ 5.34 $ 6.61
Forfeited, number of units (in shares) (21,534) (111,656)
Forfeited, weighted average grant-date fair value (in dollars per share) $ 5.00 $ 4.49
Modified, number of units (in shares)   (1,677,001)
Modified, weighted average grant-date fair value (in dollars per share)   $ 3.89
Granted, number of units (in shares) 112,349  
Unvested, number of units (in shares) 3,071,391 3,737,791
Unvested, weighted average grant-date fair value (in dollars per share) $ 4.98 $ 5.39