v3.22.2.2
Summary of Significant Accounting Policies (Tables)
 9 Months Ended
Oct. 31, 2022
Accounting Policies [Abstract]  
RSUs, PSUs and stock options granted during the period
The following table sets forth the RSUs and PSUs granted during the three and nine months ended October 31, 2022 and 2021: 
Three Months Ended
October 31,		Nine Months Ended
October 31,
2022202120222021
RSUs (1)
154,614 204,376 631,200 586,107 
PSUs (2)
— 115,688 176,509 268,037 
Total stock awards granted154,614 320,064 807,709 854,144 
Aggregate grant date fair value (in thousands)$1,162 $8,599 $16,924 $17,849 
(1)The RSUs issued during the three and nine months ended October 31, 2022 and 2021 are scheduled to vest ratably over periods of three years to four years from the date of grant with the exception of RSU grants issued to the Board of Directors.
(2)The weighted-average assumptions used in the Monte Carlo model for the PSUs granted during the nine months ended October 31, 2022 included expected volatility of 78.0%-80.0%, an expected term of 3 years and risk-free interest rate of 1.39%-2.58%.  No dividend yield was included in the weighted-average assumptions for the PSUs granted during the nine months ended October 31, 2022. The weighted-average assumptions used in the Monte Carlo model for the PSUs granted during the nine months ended October 31, 2021 included expected volatility of 83.0%-87.0%, an expected term of 3 years and risk-free interest rate of 0.17%-.0.67%. No dividend yield was included in the weighted average assumptions for the PSUs granted during the nine months ended October 31, 2021.
Shares outstanding for the earnings per share calculations The following table sets forth the shares outstanding for the earnings per share calculations: 
 Three Months Ended
October 31,		Nine Months Ended
October 31,
2022202120222021
Weighted-average common shares outstanding - Basic23,911,273 29,488,321 24,172,679 29,418,047 
Dilutive effect of stock options, PSUs and RSUs— 773,100 — 709,372 
Weighted-average common shares outstanding - Diluted23,911,273 30,261,421 24,172,679 30,127,419