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Earnings Per Share (Tables)
9 Months Ended
Jan. 31, 2021
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted The following is a reconciliation of basic to diluted weighted average common shares outstanding (in thousands):
Three Months Ended January 31,Nine Months Ended January 31,
2021202020212020
Basic2,762 2,750 2,759 2,750 
Dilutive effect of stock options and RSUs27 — — — 
Weighted average common shares outstanding - diluted2,789 2,750 2,759 2,750