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Earnings / (loss) per share | 12 Months Ended
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Dec. 31, 2012
Earnings / (loss) per share | 4. Earnings / (loss) per share Basic earnings / (loss) per share is computed by dividing net earnings/loss available to common shareholders by the weighted average number of common shares outstanding during the three years ended December 31, 2010, 2011 and 2012. Diluted earnings per share reflects the potential dilution that could occur if stock options and other commitments to issue common stock were exercised or equity awards vest resulting in the issuance of common stock or conversion of notes into shares of the Company’s common stock that could increase the number of shares outstanding and lower the earnings per share of the Company’s common stock. This calculation is not done for years in which a net loss was incurred as this would be antidilutive. The information related to basic and diluted earnings per share is as follows:
|  | 2010 |  |  | 2011 |  |  | 2012 |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |
Net loss from continuing operations |  | $ | (2,306 | ) |  | $ | (3,747 | ) |  | $ | (678 | )
Net profit/loss from discontinued operations |  |  | (44,333 | ) |  |  | (9,712 | ) |  |  | 9,430 |
Net profit/(loss) |  | $ | (46,639 | ) |  | $ | (13,459 | ) |  | $ | 8,752 |
Denominator: |  |  |  |  |  |  |  |  |  |  |  |
Weighted average shares outstanding — Basic |  |  | 20,796,789 |  |  |  | 20,994,015 |  |  |  | 22,545,989 |
— Diluted |  |  | 20,796,789 |  |  |  | 20,994,015 |  |  |  | 22,784,302 |
Earnings / (loss) per share: |  |  |  |  |  |  |  |  |  |  |  |
Basic |  |  |  |  |  |  |  |  |  |  |  |
Continuing operations |  | $ | (0.11 | ) |  | $ | (0.18 | ) |  | $ | (0.03 | )
Discontinued operations |  | $ | (2.13 | ) |  | $ | (0.46 | ) |  | $ | 0.42 |
|  | $ | (2.24 | ) |  | $ | (0.64 | ) |  | $ | 0.39 |
Diluted |  |  |  |  |  |  |  |  |  |  |  |
Continuing operations |  | $ | (0.11 | ) |  | $ | (0.18 | ) |  | $ | (0.03 | )
Discontinued operations |  | $ | (2.13 | ) |  | $ | (0.46 | ) |  | $ | 0.41 |
|  | $ | (2.24 | ) |  | $ | (0.64 | ) |  | $ | 0.38 |
There were a total of 650,000 options, 145,261 restricted shares and 6,713 warrants that have been included in the computation of diluted earnings per share that could potentially dilute basic earnings per share for the year ended December 31, 2012. 1,635,522 employee stock options are outstanding as of December 31, 2012, which were not included in the calculation of diluted income per share for the year ended because their effect would have been anti-dilutive.

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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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