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Computation of Earnings Per Share (Tables)
 9 Months Ended
Jan. 31, 2019
Earnings Per Share [Abstract]  
Basic and diluted earnings per share computations
The following is presented as a reconciliation of the numerators and denominators of basic and diluted earnings per share computations:
 
 
 
Three Months Ended
 
 
Nine Months Ended
 
 
 
January 31,
 
 
January 31,
 
 
January 31,
 
 
January 31,
 
 
 
2019
 
 
2018
 
 
2019
 
 
2018
 
Numerator:
 
 
 
 
 
 
 
 
 
 
 
 
Net income from continuing operations
 
$
42,881
 
 
$
21,895
 
 
$
473,394
 
 
$
721,057
 
Net (loss) income from discontinued operations
 
$
(163,594
)
 
$
171,432
 
 
$
(106,862
)
 
$
235,248
 
Net (loss) income
 
$
(120,713
)
 
$
193,327
 
 
$
366,532
 
 
$
956,305
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Denominator:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Basic weighted average number of common shares outstanding
 
 
17,485,106
 
 
 
16,829,581
 
 
 
17,060,903
 
 
 
17,029,822
 
Dilutive effect of common stock options
 
 
368,727
 
 
 
378,560
 
 
 
354,095
 
 
 
364,870
 
Diluted weighted average number of common shares outstanding
 
 
17,853,833
 
 
 
17,208,141
 
 
 
17,414,998
 
 
 
17,394,692
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Per share information:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Income from continuing operations per common share - basic and diluted
 
$
0.00
 
 
$
0.00
 
 
$
0.03
 
 
$
0.04
 
(Loss) income from discontinued operations per common share - basic and diluted
 
$
(0.01
)
 
$
0.01
 
 
$
(0.01
)
 
$
0.01
 
Net (loss) income per common share - basic
 
$
(0.01
)
 
$
0.01
 
 
$
0.02
 
 
$
0.06
 
Net (loss) income per common share - diluted
 
$
(0.01
)
 
$
0.01
 
 
$
0.02
 
 
$
0.05