XML 105 R88.htm IDEA: XBRL DOCUMENT v3.21.4
9. Stock-Based Compensation (Details)
Oct. 31, 2021
USD ($)
shares
Unrecognized stock-based compensation costs expected to be recognized over a weighted average period | $ $ 429,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares | shares 808,500
RSU Awards  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares | shares 797,500
Unrecognized Compensation Cost Related to Unamortized RSU Awards | $ $ 502,000