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Net Income Per Share | 9 Months Ended
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Sep. 30, 2012
Earnings Per Share [Abstract] |
Earnings Per Share [Text Block] | (7) Net Income Per Share Basic net income per share was computed by dividing net income by the weighted average number of Common Shares outstanding for each respective period. Diluted net income per share was calculated by dividing net income by the weighted average of all potentially dilutive Common Shares that were outstanding during the periods presented. Actual weighted average Common Shares outstanding used in calculating basic and diluted net income per share were as follows:
|  | Three months ended |  |  | Nine months ended |
|  | September 30, |  |  | September 30, |
|  | 2012 |  |  | 2011 |  |  | 2012 |  |  | 2011 |
Basic weighted average shares outstanding |  |  | 26,430,300 |  |  |  | 24,163,568 |  |  |  | 26,358,285 |  |  |  | 24,114,246 |
Effect of dilutive shares |  |  | 713,517 |  |  |  | 425,325 |  |  |  | 651,184 |  |  |  | 460,234 |
Diluted weighted average shares outstanding |  |  | 27,143,817 |  |  |  | 24,588,893 |  |  |  | 27,009,469 |  |  |  | 24,574,480 |
Options not included in the computation of diluted net income per share to purchase 64,000 and 50,000 Common Shares at an average price of $12.05 and $15.73 per share were outstanding at September 30, 2012 and 2011, respectively. These outstanding options were not included in the computation of diluted net income per share because either their respective exercise prices were greater than the average closing market price of Company Common Shares or their effect was anti-dilutive. There were 635,850 and 419,100 performance-based restricted Common Shares outstanding at September 30, 2012 and 2011, respectively. Substantially all of these shares were not included in the computation of diluted net income per share because vesting conditions have not and are not expected to be achieved as of September 30, 2012 and 2011. These shares may or may not become dilutive based on the Company’s ability to meet or exceed future earnings performance targets.

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1252-109256 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 55 -Paragraph 52 -URI http://asc.fasb.org/extlink&oid=16381557&loc=d3e4984-109258 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1278-109256 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 40 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.21) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 + Details
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