Quarter Ended Year Ended April 30 April 30 ------------------------------------------------ 2011 2010 2011 2010 ------------------------------------------------ Income before discontinued operations $5,830 $7,904 $24,783 $20,973 Discontinued operations (net of tax) 53 147 247 777 ------------------------------------------------ Net income $5,883 $8,051 $25,030 $21,750 ------------------------------------------------ ------------------------------------------------ Weighted average number of common shares outstanding 11,884,586 11,522,272 11,826,997 10,580,958 Net effect of stock options 206,186 88,781 149,461 70,819 ------------------------------------------------ Weighted average diluted number of common shares outstanding 12,090,772 11,611,053 11,976,458 10,651,777 ------------------------------------------------ ------------------------------------------------ Earnings per share Basic - before discontinued operations $0.49 $0.69 $2.10 $1.98 Diluted - before discontinued operations $0.48 $0.68 $2.07 $1.97 Basic - net income $0.50 $0.70 $2.12 $2.06 Diluted - net income $0.49 $0.69 $2.09 $2.04For the quarters ended April 30, 2011 and April 30, 2010, 216,050 and 17,500 options, respectively, were excluded from the calculation of diluted earnings per share, as the exercise price of these options exceeded the average market price of the Company's common stock during this period and were therefore anti-dilutive.
For the year ended April 30, 2011 and April 30, 2010, nil and 440,631 options, respectively, were excluded from the calculation of diluted earnings per share as the exercise price of these options exceeded the average market price of the Company's common stock during this period and were therefore anti-dilutive. There were 742,992 and 636,145 options issued and outstanding as at April 30, 2011 and April 30, 2010, respectively.
5. Discontinued operations
Quarter Ended Year Ended April 30 April 30 ------------------------------------------------ 2011 2010 2011 2010 ------------------------------------------------ Revenues $21 $ 15 $134 $ 33 Gain on sale of assets 53 205 210 1,125 ------------------------------------------------ Earnings before tax 74 220 344 1,158 Income tax expense 21 73 97 381 ------------------------------------------------ Discontinued operations (net of tax) $53 $147 $247 $777 ------------------------------------------------ ------------------------------------------------6. Stock-based Compensation