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CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2009
Sales | $ 366,280 | $ 383,516 | $ 254,388
Cost of goods sold | 205,900 | 217,115 | 155,842
Gross profit | 160,380 | 166,401 | 98,546
Operating expenses: |  |  |
Research and development and engineering | 31,966 | 29,857 | 28,254
Selling, general and administrative | 78,360 | 74,880 | 60,422
Amortization of purchased intangible assets | 3,515 | 4,436 | 5,805
Impairment of goodwill and intangible assets |  |  | 1,045
Restructuring, restatement related costs and other | 2,304 | 2,592 | 16,291
Pre-petition and post-emergence professional fees | 296 | 727 | 6,966
Total operating expenses | 116,441 | 112,492 | 118,783
Income (loss) from operations | 43,939 | 53,909 | (20,237)
Interest income | 92 | 87 | 294
Interest expense | (13,062) | (19,908) | (27,751)
Foreign exchange transaction (losses) gains, net | (95) | 328 | (816)
Other income (expense), net | 1,183 | 1,840 | 206
Income (loss) from continuing operations before reorganization items and income taxes | 32,057 | 36,256 | (48,304)
Reorganization items |  | (26,156) | (23,606)
Income (loss) from continuing operations before income taxes | 32,057 | 10,100 | (71,910)
Income tax provision (benefit) | 3,056 | 10,739 | (773)
Income (loss) from continuing operations | 29,001 | (639) | (71,137)
Loss from discontinued operations, net of tax |  |  | (132)
Consolidated net income (loss) | 29,001 | (639) | (71,269)
Less: Net income attributable to noncontrolling interest | (28) | (48) | (61)
Net income (loss) | 28,973 | (687) | (71,330)
Income (loss) from continuing operations attributable to GSI Group Inc. per common share: |  |  |
Basic | $ 0.87 | $ (0.03) | $ (4.47)
Diluted | $ 0.86 | $ (0.03) | $ (4.47)
Loss from discontinued operations attributable to GSI Group Inc. per common share: |  |  |
Basic |  |  | $ (0.01)
Diluted |  |  | $ (0.01)
Net income (loss) attributable to GSI Group Inc. per common share: |  |  |
Basic | $ 0.87 | $ (0.03) | $ (4.48)
Diluted | $ 0.86 | $ (0.03) | $ (4.48)
Weighted average common shares outstanding-basic | 33,481 | 23,703 | 15,916
Weighted average common shares outstanding-diluted | 33,589 | 23,703 | 15,916
Amounts attributable to GSI Group Inc.: |  |  |
Income (loss) from continuing operations | 28,973 | (687) | (71,198)
Loss from discontinued operations |  |  | (132)
Net income (loss) | $ 28,973 | $ (687) | $ (71,330)

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- Definition The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 985 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 730 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6420194&loc=d3e21568-108373 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 51 -Subparagraph g -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 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 2 -Paragraph 12, 13 -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 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 86 -Paragraph 11, 12 -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. + Details
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- Definition Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 5 -Section 03 -Paragraph 1 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 + Details
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