Quarterly report pursuant to Section 13 or 15(d)

Income per Common Share - Calculation of Basic and Diluted Earnings per Share (Detail)

v3.20.1
Income per Common Share - Calculation of Basic and Diluted Earnings per Share (Detail) - USD ($)
3 Months Ended
Feb. 29, 2020
Feb. 28, 2019
Net Income (Loss) Attributable to Parent [Abstract]    
Net Income $ 686,966 $ 275,877
Denominator:    
Weighted average common shares outstanding—basic 7,541,113 7,801,333
Dilutive common shares issuable upon exercise of stock options 587,144 623,572
Weighted-average shares-diluted 8,128,257 8,424,905
Earnings (Loss) per share:    
Basic $ 0.09 $ 0.04
Diluted $ 0.08 $ 0.03