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Consolidated Statements of Operations and Comprehensive Income (Loss) (USD $) In Thousands, except Share data, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Product sales |  |  | $ 415,850 | $ 432,975 | $ 430,783
Marketing service fees |  |  | 46,470 | 37,146 | 29,846
Net sales | 112,035 | 123,085 | 462,320 | 470,121 | 460,629
Cost of sales |  |  | 86,492 | 92,619 | 90,461
Gross profit | 93,531 | 99,846 | 375,828 | 377,502 | 370,168
Operating expenses |  |  |  |  |
Sales and marketing |  |  | 200,343 | 200,145 | 200,835
General and administrative |  |  | 53,827 | 64,374 | 72,912
Research and development |  |  | 28,577 | 22,861 | 27,958
Amortization of intangible assets |  |  | 2,098 | 2,350 | 2,213
Charges related to U.S. Government resolutions (Note 16) |  |  | 1,973 | 56,463 |
Total operating expenses |  |  | 286,818 | 346,193 | 303,918
Operating income |  |  | 89,010 | 31,309 | 66,250
Other income and expense |  |  |  |  |
Interest expense, net |  |  | (4,577) | (9,456) | (16,217)
Other expense |  |  | (1,705) | (2,412) | 331
Total other income (expense) |  |  | (6,282) | (11,868) | (15,886)
Income (loss) before income taxes |  |  | 82,728 | 19,441 | 50,364
Income tax expense |  |  | (28,792) | (21,181) | (22,606)
Net income (loss) from continuing operations, net of tax | 14,636 | 11,530 | 53,936 | (1,740) | 27,758
Discontinued operations (Note 15) |  |  |  |  |
Gain on sale of Breg, Inc., net of tax |  |  | 1,345 |  |
Gain on sale of vascular operations, net of tax |  |  |  |  | 12,019
Income (loss) from discontinued operations |  |  | (4,012) | 1,263 | 10,015
Income tax benefit (expense) |  |  | 26 | (596) | (5,584)
Net loss from discontinued operations, net of tax | 5,878 | 862 | (2,641) | 667 | 16,450
Net income (loss) |  |  | 51,295 | (1,073) | 44,208
Net income (loss) per common share-basic: |  |  |  |  |
Net income (loss) from continuing operations, net of tax | $ 0.76 | $ 0.62 | $ 2.84 | $ (0.10) | $ 1.58
Net loss from discontinued operations, net of tax | $ 0.30 | $ 0.05 | $ (0.14) | $ 0.04 | $ 0.93
Net income (loss) per common share-basic | $ 1.06 | $ 0.67 | $ 2.70 | $ (0.06) | $ 2.51
Net income (loss) per common share-diluted: |  |  |  |  |
Net income (loss) from continuing operations, net of tax | $ 0.74 | $ 0.62 | $ 2.78 | $ (0.10) | $ 1.55
Net income loss from discontinued operations, net of tax | $ 0.30 | $ 0.04 | $ (0.14) | $ 0.04 | $ 0.92
Net income (loss) per common share-diluted: | $ 1.04 | $ 0.66 | $ 2.64 | $ (0.06) | $ 2.47
Weighted average number of common shares: |  |  |  |  |
Basic |  |  | 18,977,263 | 18,219,343 | 17,601,956
Diluted |  |  | 19,390,413 | 18,219,343 | 17,913,545
Other Comprehensive income (loss), before tax: |  |  |  |  |
Translation adjustment |  |  | 480 | (3,192) | (1,710)
Unrealized gain (loss) on derivative instrument |  |  | 416 | (693) | (126)
Other Comprehensive income (loss), before tax |  |  | 896 | (3,885) | (1,836)
Income tax related to components of other comprehensive income | (153) | 256 | (153) | 256 | 36
Other Comprehensive income loss, net of tax |  |  | 743 | (3,629) | (1,800)
Comprehensive income (loss) |  |  | $ 52,038 | $ (4,702) | $ 42,408

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