| Summary of reconciliation of the numerators and denominators used in the basic and diluted per share computations |
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Three Months Ended March 31, |
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2013 |
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2012 |
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Class A |
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Class B |
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Class A |
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Class B |
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(in thousands, except per share data) |
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Basic and diluted net income per share:
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Numerator:
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Allocation of net income
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$ |
5,170 |
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$ |
1,305 |
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$ |
6,390 |
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$ |
1,620 |
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Denominator:
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Weighted-average shares outstanding
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20,066,755 |
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5,576,775 |
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19,996,285 |
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5,576,775 |
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Basic net income per share
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$ |
0.26 |
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$ |
0.23 |
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$ |
0.32 |
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$ |
0.29 |
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Diluted net income per share:
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Numerator:
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Allocation of net income
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$ |
5,170 |
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$ |
1,305 |
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$ |
6,390 |
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$ |
1,620 |
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Denominator:
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Number of shares used in basic computation
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20,066,755 |
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5,576,775 |
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19,996,285 |
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5,576,775 |
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Weighted-average shares effect of dilutive securities
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Add: Director and employee stock options
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291,477 |
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— |
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364,836 |
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— |
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Number of shares used in per share computations
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20,358,232 |
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5,576,775 |
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20,361,121 |
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5,576,775 |
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Diluted net income per share
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$ |
0.25 |
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$ |
0.23 |
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$ |
0.31 |
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$ |
0.29 |
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